Thoughts on the confluence of business, change and technology. Areas covered include business intelligence, cultural transformation, business and IT alignment, business and IT strategy, project execution and social media.
A friend and fellow information professional is currently responsible for both building a new data warehouse and supporting its predecessor, which is based on a different technology platform. In these times of ever-increasing focus on costs, she had been asked to port the old warehouse to the new platform, thereby avoiding some licensing payments. She asked me what I thought about this idea and we chatted for a while. For some reason, our conversation went off at a bit of a tangent and I started to tell her the story of an acquaintance of mine and his recent sad experiences.
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My acquaintance, let’s call him Jim to avoid causing any embarassment, had always been interested in cars; driving them, maintaining them, souping them up, endlessly reading car magazines and so on. His dream had always been to build his own car and his eye had always been on a Caterham kit. I suppose for him the pleasure of making a car was at least as great, if not more, as the pleasure of driving one.
Jim saved his pennies and eventually got together enough cash to embark on his dream project. Having invested his money, he started to also invest his time and effort. However, after a few weeks of toil, he hit a snag. It was nothing to do with his slowly emerging Caterham, but to do with the more quotidian car he used for his daily commute to work. Its engine had developed a couple of niggles that had been resistant to his own attempts to fix them and he had reluctantly decided that it was in need of some new parts and quite expensive ones at that. Jim had already spent quite a bit of cash on the Caterham and more on some new tools that he needed to assemble it. The last thing he wanted to do now was to have a major outlay on his old car; particularly because, once the Caterham was finished, he had planned to trade it for its scrap-metal worth.
But now things got worse, Jim’s current car failed its MOT (vehicle safety inspection for any non-UK readers) because the faulty engine did not meet emission standards. However, one of his friends came up with a potential solution. He said, “As you have already assembled the Caterham engine, why not put this into your current car and use this instead? You can then swap it out into the Caterham chassis and body when you have built this.”
This sounded like a great idea to Jim, but there were some issues with it. His Cateham was supplied with a Cosworth-developed 2.3-litre Ford Duratec engine. This four-cylinder twin cam unit was the wrong size and shape to fit into the cavity left by removing the worn-out engine from his commuting car. Well as I had mentioned at the start, Jim was a pretty competent amateur mechanic and he thought that he had a good chance of rising to the challenge. He was motivated by the thought of not having to shell out extra cash and in any case he loved tinkering with cars.
So he put in some new brackets to hold the Caterham engine. He then had to grind-down a couple of protruding pieces of the Duratec block to gain the extra 5 mm necessary to squeeze it in. The fuel feeds were in the wrong place, but a bit of plumbing and that was also sorted. Perhaps this might cause an issue with efficiency of the engine burn cycle, but Jim figured that it would probably be OK. Next the vibration dampers were not really up to the job of dealing with the more powerful engine and neither was the exhaust system. No worries, thought Jim, a tap of a hammer here, a bend of a pipe here and he could also add in a couple of components that had been sitting at the back of his garage rusting for years as well. Eventually everything seemed fine.
Jim ventured out of his garage in his old car, with its new engine. He was initially a bit trepidatious, but his work seemed to be hanging together. Sure the car was making a bit of a noise, shaking a bit and the oil temperature seems a bit high, but Jim felt that these were only minor problems. He told himself that all his handiwork had to do was to hang together for a few more months until he finished the rest of the Caterham.
With these nice thoughts in mind, Jim approached a bend. The car flew off the road at a tangent as he realised – too late – that he had been travelling at Caterham speeds into the corner and didn’t have a Caterham chassis, a Caterham suspension, or Caterham brakes. His old car was not up to dealing with the forces created in the turn. His tyres failed to grip and, after what seemed like an eternity of slow-motion spinning and screeching and panic, he find himself in a ditch; healthy, but with a wheel sheared off and smoke coming out of the front of the car. A later inspection confirmed that his commuting car was a write-off, and his insurance policy didn’t fully cover the cost of a new vehicle.
Jim ended up having to buy another day-to-day car, which delayed him from spending the additional money necessary to get the Caterham on the road for quite some time. However, after scrimping and saving for a while, he eventually got back to his dream project, only to find that combination of the modifications he had to make to the Duratec engine, plus the after effects of the crash meant that it was now useless and he needed to purchase a replacement.
So because Jim didn’t want to run to the expense of maintaining his old car while he built his new one, he would instead have to buy a new temporary car plus a new engine for the Caterham. Jim was just as far off from finishing the Caterham as when he had started, despite wasting a lot of time and money along the way. A very sad story.
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Suddenly I realised that I had been wittering on about a wholly unrelated subject to my friend’s data warehousing problem. I apologised and turned the conversation back to this. To my astonishment, she told me that she had already made up her mind. I suppose she had taken advantage of the length of time I had spent telling Jim’s story to more profitably weigh the pros and cons of different approaches in her mind and thereby had reached her decision. Anyway, she thanked me for my help, I protested that I hadn’t really offered her any and we each went our separate ways.
I found out later she had decided to pay the maintenance costs on the old data warehouse.
I would like to apologise in advance if anyone at Caterham, Cosworth, Ford, or indeed Peugeot, takes offence to any of the content of the above story or its illustrations. I’m sure that you make very fine products and this article isn’t really about any of them.
I was listening to a discussion with two medical practitioners on the radio today while driving home from work. I’ll remove the context of the diseases they were debating as the point I want to make is not specifically to do with this aspect and dropping it removes a degree of emotion from the conversation. The bone of contention between the two antagonists was the mortality rate from a certain set of diseases in the UK and whether this was to do with the competency of general practitioners (GPs, or “family doctors” for any US readers) and the diagnostic procedures they use, or to do with some other factor.
In defending her colleagues from the accusations of the first interviewee, the general practitioner said that the rate of mortality for sufferers of these diseases in other European countries (she specifically cited Belgium and France) was greater than in the UK. I should probably pause at this point to note that this comment seemed the complete opposite of every other European health survey I have read in recent years, but we will let that pass and instead focus on the second part of her argument. This was that that better diagnoses would be made if the UK hired more doctors (like her), thereby allowing them to spend more time with each patient. She backed up this assertion by then saying that France has many more doctors per 1,000 people than the UK (the figures I found were 3.7 per 1,000 for France and 2.2 per 1,000 for the UK; these were totally different to the figures she quoted, but again I’ll let that pass as she did seem to at least have the relation between the figures in each country the right way round this time).
What the GP seemed to be saying is summarised in the following chart:
I have no background in medicine, but to me the lady in question made the opposite point to the one she seemed to want to. If there are fewer doctors per capita in the UK than in France, but UK mortality rates are better, it might be more plausible to argue that less doctors implies better survival rates; this is what the above chart suggests. Of course this assertion is open to challenge and – as with most statistical phenomena – there are undoubtedly many other factors. There is also of course the old chestnut of correlation not implying causality (not that the above chart even establishes correlation). However, at the very least, the “facts” as presented did not seem to be a prima facie case for hiring more UK doctors.
Sadly for both the GP in question and for inhabitants of the UK, I think that the actual graph is more like:
This exhibit could perhaps suggest that the second doctor had a potential point, but such simplistic observations, much as we may love to make them, do not always stand up to rigorous statistical analysis. Statistical findings can be as counter-intuitive as many other mathematical results.
Speaking of statistics, when challenged on whether she had the relative mortality rates for France and the UK the right way round, the same GP said, “well you can prove anything with statistics.” We hear this phrase so often that I guess many of us come to believe it. In fact it might be more accurate to say, “selection bias is all pervasive”, or perhaps even “innumeracy will generally lead to erroneous conclusions being drawn.”
When physicians are happy to appear on national radio and exhibit what is at best a tenuous grasp of figures, one can but wonder about the risk of numerically-based medical decisions sometimes going awry. With doctors also increasingly involved in public affairs (either as expert advisers or – in the UK at least – often as members of parliament), perhaps these worries should also be extended into areas of policy making.
Even more fundamentally (but then as an ex-Mathematician I would say this), perhaps the UK needs to reassess how it teaches mathematics. Also maybe UK medical schools need to examine numeric proficiency again just before students graduate as well as many years earlier when candidates apply; just in case something in the process of producing new doctors has squeezed their previous mathematical ability out of them.
Before I begin to be seen as an opponent of the medical profession, I should close by asking a couple of questions that are perhaps closer to home for some readers. How many of the business decisions that are taken using information lovingly crafted by information professionals such as you and me are marred by an incomplete understanding of numbers on the part of [hopefully] a small subsection of users? As IT professionals, what should we be doing to minimise the likelihood of such an occurrence in our organisations?
As previously advertised, I presented at the recent IRM(UK) DW/BI seminar in London. As a speaker I was entitled to attend the full three days, but as is typically the case, other work commitments meant that I only went along on the day of my session, 4th November. A mixture of running into business acquaintances, making sure that audio/visual facilities work and last minute run-throughs of my slides all conspired to ensure that I was able to listen to fewer talks that I would have liked. In comparing notes with other speakers, it is generally the same for them. Maybe I should consider attending a seminar as a delegate sometime!
Nevertheless, I did get along to some presentations and also managed to finally meet Dylan Jones of dataqualitypro.com (@DataQualityPro) in person after running into each other virtually for years. Unfortunatlely, I also managed to fail to connect with a number of tweeps of my acquaintance including: Loretta Mahon Smith (@silverdata) – who even attended my talk without us bumping into each other – and Scott Davis (@scottatlyzasoft); I guess that is just how it goes with seminars sometimes.
Story-telling and Information Quality
At face value these may seem odd bed-fellows. However, Lori Silverman of Partners for Progress managed to intertwine the two effectively. This was despite being handicapped by an attack of laryngitis that meant that her, already somewhat nasal tones, from time to time morphed into a shriek. Sitting as I was directly beside a loudspeaker, I felt some initial discomfort and even considered departing for a less auricularly challenged part of the conference centre. However I was glad that I decided to tough it out because Lori turned out to be a very entertaining, engaging and insightful speaker. I won’t steal her thunder by revealing her main thesis and instead suggest that you try to catch her speaking at some future point, she is well worth listening to in my opinion.
Open Source BI makes headway in the Irish Government sector
I next attended a presentation by leading open source BI company Jaspersoft. This was kicked-off by their CEO Brian Gentile who then introduced a case study about an Irish Government department rolling-out the company’s products. The implementer, was System Dynamics, Ireland’s largest indigenous IT business solutions company*.
System Dynamics CEO Tony McGuire and BI Team Lead Emmet Burke both spoke about this recent project, which covered 500+ users. Open source has traditionally had something of a challenge establishing a foothold in the public sector. The assertion made in this session was that the current fiscal challenges faced by the Irish Republic meant that it was becoming an option they were giving greater credence to. I guess, as with many areas of open source applications, it is probably a case of waiting to see whether a trend establishes itself.
John Taylor of Information Builders was speaking in the room that would next host my session and so I was able to catch the last 15 minutes of his presentation on Information Management, which seemed to have been well-attended and well-received.
Measuring the benefits of BI
My presentation occupied the graveyard slot of 4:30pm and I led by saying that I fully realised that all that stood between delegates and the drinks reception was my talk. Given the lateness of the hour, I had been a little concerned about attendance, but I guess that there were at least 50 or so people present. All of them stuck it out to the bitter end, which was gratifying.
There is always the moment of frisson in public speaking when, at the end of the talk, you ask whether are any questions with an image of tumbleweed spinning across the prairie in your mind (something that happened to me on one previous occasion a long time ago). Thankfully the audience asked a number of interesting and insightful questions, which I answered to the best of my ability. Indeed I was locked in discussions with a couple of delegates long after the meeting had officially broken up.
Having laid these hopefully substantial foundations, the meat of the presentation expanded on ideas I briefly touched on in my earlier article Measuring the Benefits of Business Intelligence. This included highlighting some of the reasons why measuring the impact of BI on, say, profitability can be a challenge, but stressing that this was still often an objective that it was possible to achieve. I also spent some time examining in detail different techniques for quantifying the different tangible and intangible impacts of BI (most of which are covered in the above referenced article).
My closing thought was that, in situations where it is difficult to precisely assess the monetary impact of BI, the wholehearted endorsement of your business customers can be a the best indirect measurement of the success (or otherwise) of your work. I would recommend that fellow BI professionals pay close attention to this important indicator at all stages of their projects.
You can view some of the tweets about IRM(UK) DW/BI here, or here.
Disclosure: At the time of writing, System Dynamics is a business partner, but not in the field of business intelligence.
Back in June 2009, I wrote an article entitled A first for me. In this I described meeting up with Seth Grimes (@SethGrimes), an acknowledged expert in analytics and someone I had initially “met” via Twitter.com.
I have vastly expanded my network of international contacts through social media interactions such as these. Indeed I am slated to meet up with a few other people during November; a month in which I have a couple of slots speaking at BI/DW conferences (IRM later this week and Obis Omni towards the end of the month).
Another person that I became a virtual acquaintance of via social media is Bruna Aziza (@brunoaziza), Worldwide Strategy Lead for Business Intelligence at Microsoft. I originally “met” Bruno via LinkedIn.com and then also connected on Twitter.com. Later Bruno asked me for my thoughts on his article, Use Business Intelligence To Compete More Effectively, and I turned these into a blog post called BI and competition.
We have kept in touch since and last week Bruno asked me to be interviewed on the bizintelligence.tv channel that he is setting up. It was good to meet in person and I thought that we had some interesting discussions. Though I have done video and audio interviews before with organisations like IBM Cognos, Informatica, Computing Magazine and SmartDataCollective (see the foot of this article for links), these were mostly a while back and so it was interesting to be in front of a camera again.
The bizintelligence.tv format seems to be an interesting one, with key points in BI discussed in a focussed and punchy manner (not an approach that I am generally associated with) and a target audience of busy senior IT managers. As I have remarked elsewhere, it is also notable that the more foresighted of corporations are now taking social media seriously and getting quite good at engaging without any trace of hard selling; something that perhaps compromised the earlier efforts of some organisations in this area (for the avoidance of doubt, this is a general comment and not one levelled at Microsoft).
Bruno and I touched on a number of areas including, driving improvements in data quality, measuring the value of BI programmes, using historical data to justify BI investments (something that I am overdue writing about – UPDATE: now remedied here) and the cultural change aspect of BI. I am looking forward to seeing the results. Watch this space and in the meantime, take a look at some of the earlier interviews that Bruno has conducted.
Other video and audio interviews that I have recorded:
Obis Omni is a Business Intelligence community and resource with whom I have worked for several years. Since September 2008, I have set aside time to speak at their well-organised annual forums.
2010 is no exception and I will be attending this year’s event in London on 25 November at The Park Plaza Hotel.
Previous articles relating to Obis Omni events (and those of their sister organisation, The Cloud Circle) include:
This IRM UK event will be taking place in central London from the 3rd to 5th November 2010. It is co-located with two other related IRM conferences: Data Management and Information Quality. Full details may be obtained from the IRM conference web-site here.
Unfortunately one of the Ovum presenters, Madan Sheina, was ill, but Sarah did a great job running the session. The set up of the room and the number of delegates both encouraged interaction and there was a great atmosphere with lots of questions from the attendees and some interesting exchanges of ideas. Work commitments meant that I had to leave after lunch, which was a shame as I am sure that – based on what I saw in the morning – the afternoon workshops sessions would have been both entertaining and productive.
I certainly enjoyed my presentation – on Initiating and Developing a BI Strategy – which focussed on both my framework for success in Business Intelligence and, in particular, addressing the important cultural transformation aspects of these. Thank you also to the delegates both for the questions and observations and for kindly awarding my talk an 83% rating via the now ubiquitous seminar questionnaire.
Bouldering and Cultural Transformation
My partner bouldering the classic Boysen's Groove in Snowdonia
As part of my section on change management, I covered some of the themes that I introduced in my article Perseverance. In this I spoke about one of the types of rock climbing that I enjoy; bouldering. Bouldering is regular rock climbing on steroids, it is about climbing ultra-hard, but short climbs; often on boulders – hence the name. I compared the level of commitment and persistence required for success in bouldering to the need for the same attributes in change management initiatives.
I spoke to a few different delegates about this analogy during a coffee break. One in particular came up with an interesting expansion on my rock climbing theme. He referred to how people engaged in mountaineering and multi-pitch rock climbing make progress in a series of stages, establishing a new base at a higher point before attempting the next challenge. He went on to link this to making incremental progress on IT projects. I thought this was an interesting observation and told the gentleman in question that he had provided the inspiration for a future blog article.
An introduction to lead climbing
The above video is excerpted from the introduction to Hard Grit a classic 1998 climbing film by Slackjaw productions. It features climbing on the Gritstone (a type of hard sandstone) edges of the UK’s Peak District. This famous sequence shows a pretty horrendous fall off of a Peak District test piece called Gaia at Black Rocks. Amazingly the climber received no worse injuries than a severely battered and lacerated leg. Despite its proximity to my home town of London, Gritstone climbing has never been my cup of tea – it is something of an acquired taste and one that I have never appreciated as much as its many devotees.
As an aside you can see a photo of a latter-day climber falling off the same route at the beginning of my article, Some reasons why IT projects fail. I’m glad to say in this photo, unlike the video above, the climber is wearing a helmet!
What the clip illustrates is the dangers inherent in the subject of this article; traditional lead climbing. OK the jargon probably needs some explanation. First of all climbing is a very broad church, in this piece I’ll be ignoring whole areas such as mountaineering, soloing and the various types of winter and ice climbing. I am going to focus on roped climbing on rock, something that generally requires dry weather (unless you are a masochist or the British weather changes on you).
In this activity, one person climbs (unsurprisingly the climber) and another holds the rope attached to them (the belayer). The belayer uses a mechanism called a belay device to do this, but we will elide these details. With my background in Business Intelligence, I’ll now introduce some dimensions with which you can “slice and dice” this activity:
multi-pitch / single pitch Single-pitch climbs are shorter than a length of rope (typically 50-70m) and often happen on rock outcrops such as in the Peak District mentioned above. The climber completes the climb and then the belayer may follow them up if they want, or alternatively the climber might walk round to find an easy decent and the pair will then go and find another climb. Multi-pitch climbs consist of at least two pitches; and sometimes many more. They tend to be in a mountain environment. One person may climb a pitch and then alternate with their partner, or the same person may climb each section first. It depends on the team.
top roping / leading Top roping is not a very precise term (bottom roping might be more accurate) but is generally taken to mean that the rope runs from the belayer, to the top of the climb and then down to the climber.
As the climber ascends, the belayer (hopefully!) takes in the slack, but (again hopefully!) without hauling the climber up the route. This means that if the climber falls (and the belayer is both competent and attentive) they should be caught by the rope almost immediately. Obviously this arrangement only works on single-pitch climbs.
In lead climbing, or leading, the rope runs from the belayer up to the climber. As the climber ascends, they attach the rope to various points in the rock on the climb (for how they do this see the next bullet point).
Assuming that the climber is able to make a good attachment to the rock (again see next point) the issue here is how far they fall. If they climb 2m above their last attachment point, then a slip at this point will see them swinging 2m below this point – a total fall of 4m, much longer than when top roping. Also if the last attachment point is say 10m above the ground and the climber falls off say 8m above this, then slack in the system and rope stretch will probably see them hit the ground; something that should never happen in top roping.
[As an aside true top roping is what happens when the belayer climbs up after the climber. Here they are now belayed by the original climber from above. However no one uses the term top roping for this, instead they talk about bringing up the second, or seconding. Top roping is reserved for the practice of bottom roping described above, no one said that climbing was a logical sport!]
sport / traditional
In the last point I referred to a lead climber mysteriously attaching themselves to the rock as they ascend. The way that they do this determines whether they are engaged in sport or traditional climbing (though there is some blurriness around the edges).
In sport climbing, holes are pre-drilled into the rock at strategic intervals (normally 3-5m apart, but sometimes more). Into these are glued either a metal staple or a single bolt with a metal hanger on it that has a hole in it.
The process of equiping a sport route in this way can take some time, particularly if it is overhanging and of course it needs to be done well if the bolts are to hold a climber’s fall. A single-pitch sport climb may have 10 or more of these bolts, plus generally a lower-off point at the top.
The climber will take with them at least the same number of quick draws as there are bolts. These are two spring-loaded carabiners joined by a section of strong tape. As the climber ascends, they clip one end of a quick-draw to the staple or hanger and the other end over the rope attaching them to their belayer.
So long as the person who drilled and inserted the bolts did a good job and so long as the climber is competent in clipping themselves into these; then sport climbing should be relatively safe. At this point I should stress that I know of good climbers who have died sport climbing, often by making a simple mistake, often after having completed a climb and looking to lower off. Sport climbing is a relatively safer form of climbing, but it is definitively not 100% safe; no form of climbing is.
Because of its [relative] safety, sport climbing has something of the ethos of bouldering, with a focus on climbing at your limit as the systems involved should prevent serious injury in normal circumstances.
In traditional climbing (uniformly called trad) the difference is that there are no pre-placed bolts, instead the climber has to take advantage of the nature of the rock to arrange their own attachment points. This means that you have to take the contents of a small hardware store with you on your climb. The assorted pieces of gear that you might use to protect yourself include:
Nuts/wires (which you try to wedge into small cracks):
Hexes (which you try to wedge into large cracks):
Cams/Friends (spring-loaded mechanical devices that you place in parallel cracks – the latter name being a make of cams):
Slings (which you use to lasso spikes, or thread through any convenient holes in the rock):
Once you have secured any of the above into or around the rock, you clip in with a quick-draw as in Sport climbing and heave a sigh of relief.
In the video that started this section, Jean-minh Trin-thieu falls (a long way) on to a cam, which thankfully holds. The issue on this particular climb is that there are no more opportunities to place gear after the final cam at round about half-way up. The nature of the rock means that a lot of Gritsone climbing is like this; one of the reasons that it is not a favourite of mine.
In any case, having established the above dimensions, I am going to drill down via two of them to concentrate on just trad leading. My comments apply equally to multi- and single-pitch, but the former offers greater scope for getting yourself into trouble.
One of the major issues with trad climbing, particularly multi-pitch trad climbing in a mountain environment is that you are never quite sure what you need to take. The more gear you clip to your harness, the more likely you are to be able to deal with any eventuality, but the heavier you are going to be and the harder it will be to climb. Some one once compared trad leading to climbing wearing a metal skirt.
The issue here is that not only do you have to find somewhere to place this protective gear, you have to place it well so that is not dislodged as you climb past, or pulls out if you fall. What adds to this problem is that you may have to try to place say a wire in a situation where you are holding on to a small hold with one hand, with only one foot on a hold and the other dangling. You may also be on an overhang and thus with all gravity’s force coming to bear on your tendons. At such moments thoughts like “how far below was my last piece of gear?”, “how confident am I that I placed it well?” and “what happens if I can’t fiddle this piece of metal into this crack before my fingers un-peal?” tend to come to mind with alarming ease.
It is not unheard of for a trad leader to climb up many metres, placing an assortment of gear en route, only to fall off and have all of it rip out, a phenomenon call “unzipping”, thankfully not something I have experienced directly; though I have seen it happen to other people.
These additional uncertainties tend to lead to a more cautious approach to trad leading, with many people climbing within their abilities on trad climbs. Some people push themselves on trad and some get away with it for a while. However there is a saying about there being old climbers and bold climbers, but no old bold climbers.
The links with business projects
I have written quite a few times before about the benefits of an incremental approach, so long as this bears the eventual strategic direction in mind (see for example: Tactical Meandering and Holistic vs Incremental approaches to BI). In rock climbing, even within a single pitch, it is often recommended to break this into sections, particularly if there are obvious places (e.g. ledges) where you can take a bit of a rest and consider the next section. This also helps with not being too daunted; often the biggest deal is to start climbing and once you are committed then things become easier (though of course this advice can also get you in over your head on occasion).
Splitting a climb into sections is a good idea, but – in the same way as with business projects – you need to keep your eye on your eventual destination. If you don’t you may be so focussed on the current moves that you go off route and then have to face potentially difficult climbing to get back where you need to be. The equivalent in business would be projects that do not advance the overall programme.
However the analogy doesn’t stop there. If we break a single-pitch trad lead climb into smaller sections, those between each piece of gear that you place, then it is obvious that you need to pay particular attention to the piece of equipment that you are about to employ. If you do this well, then you have minimised the distance that you will fall and this will bolster your confidence for the next piece of climbing. If you rush placing your gear, or assume that it is sort of OK, then at the best you will give yourself unnecessary concerns about your climbing for the next few metres. At worst a fall could lead to this gear ripping and a longer fall, or even hitting the ground.
In business projects, if you take an incremental approach, then in the same way you must remember that you will be judged on the success or failure of the most recent project. Of course if you have a track record of earlier success then this can act as a safety net; the same as when your highest piece of gear fails, but the next one catches you. However, it is not the most comfortable of things to take a really long leader fall and similarly it is best to build on the success of one project with further successes instead of resting on your laurels.
Of course the consequences of rushing your interim steps in rock climbing can be a lot more terminal than in business. Nevertheless failure in either activity is not welcome and it is best to take every precaution to avoid it.
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Posted by Peter Thomas 
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