Hi everyone,
I received some feedback today that the second picture that Mark included in his posting yesterday was not showing up in some browsers.
Guess I was a little distracted last night, as the pilot was landing my plane over the Potomac River last night had to take a sharp bank to the right and I watched as the wing (which I was sitting over) actually graze the water and make waves. Yikes. Guess it is better to make waves then crash and burn into another airplane on the runway. Hmmm… Almost as profound as the posting from Mark last night (smile).
Aneeeeway… I updated his original posting this evening with a JPG version of the file; please let me know if that has fixed the problem for you.
For me, I am in a place that is freezing and am seeing that there will be some really cold white stuff headed here this weekend. At least (I hope) I am on the first flight out on Thursday morning (and back here Sunday night) so I will hopefully miss the mess.
Thanks for continuing to read and respond to these blog entries. I hope you are receiving some real value from what you read here.
- mike vizdos
www.michaelvizdos.com
www.implementingscrum.com
Some of you may be familiar with the term, “What happens in Vegas stays in Vegas….”
Well, tonight I am introducing a new guest writer to the blog, a guy I have worked with for almost the past three years on some major enterprise rollouts of Scrum and co-train with him on a pretty regular basis. His name is Mark Pushinsky and this “enlightenment” came to him a few years ago and we have been waiting on how to actually introduce this to the Scrum Community.
So… without further ado… here is his write-up on the topic (and thanks to Tony as usual for the cartoon!).
I may add something to it later this week (smile).
=================
I was on my way back from Vegas sitting on a plane, with a massive hangover…….and this thought occurred to me.
I know they say that, �What happens in Vegas stays in Vegas� but this occurred to me on the plane ride home and I am pretty sure we cleared Nevada airspace before it did so I feel compelled to share it.
Do you know about the �Cone of Uncertainty�? It is a phenomena that people in software use to describe the fact that when you start a project you have no idea when you�ll finish.
The longer the project goes and the closer you get to finishing the better/more accurate your estimate. Basically you are pretty sure your going to finish it the day before its done.

We have been trying to make it go away in software for many years. Fancy new estimation techniques, months and months of analysis, and brute force have not materially changed the fact that software projects are unpredictable!
Period!
Managers having been trying for decades to make it disappear/pretend it doesn�t exist/figure out how to make it turn from a cone into a cylinder.
Yet time and time again the uncertainty in projects remains.
The epiphany that occurred to me is that Agile or Scrum flips it around. This means that if you ask me what I can deliver in the next 2-4 weeks I am pretty accurate, if you ask me what I am going to deliver 3 months from now I have some uncertainty, but I can give you a reasonable guess, and if you ask me what I can deliver 6 months from now I have no idea…….

When we teach Estimation and Planning in class, we make a point of saying that Agile does not make the �Cone� disappear.
Nothing will!
We use light weight, proven techniques to make our best guess at long term plans.
We don�t pretend to know the end…….in fact we are pretty sure it will change……and we commit to be back in 2-4 weeks to tell you how its changed.
Then we focus on short term commitments, doing the right things, executing well, and delivering real business value.
I have found that after a couple of iterations of working that way we get customers focused more on prioritization, the next release, and getting impediments removed.
They begin to worry less about when the whole thing will be done.
I think the best way to end a project is to stop working on it before all of �The Requirements� have been implemented.
The 80/20 rule, right?
=================
So there goes.
Mark is an awesome person, trainer, and mentor by the way…. While our opinions do not match 100% I love the opportunity to provide an outlet for different opinions and thoughts (even if we are competitors and collaborators in the marketplace).
Let me know if you are interested in contributing in the future!
Gotta run!.Please send comments, questions, criticisms, ideas, or whatever here.
You can also enter The Scrum Community to discuss this entry and other Scrum topics. Thank you!
February 18, 2008
And, it stresses the importance of an agile practice (not talked about directly in Scrum) called “pairing.”
This blog entry could take a dozen different tangents on this topic; however, I promise to try to stay on point about what I am trying to get across. Yes, O people who know Scrum… Scrum does not talk about “engineering practices” (this is by design).
So why am I even breaking out of the “World of Scrum” to talk about pairing? Because, my friend, Scrum must play in a big bad world of Software Development and well, people need to realize this.
So… what is pairing and why is it important?
I am going to tell you my definition from experience.
My idea of pairing is NOT having two people sit together for 8 (or more) hours a day at a computer banging away at code code code and not focusing on anything else. Nor does my definition of this include sitting by the computer together (as a pair… getting this??) for 3 hours a day joking around, surfing the Net, or playing online games. As cool as that may be to get paid for (and yes, some gamers who use Scrum in their development shop may have this opportunity and not even realize it!), neither of these two things describe pairing for me.
Here is an example we can use that is “outside” the Software Development world.
This site is developed using Scrum as a framework.
Do we do it perfectly? Nope.
Do we continue to strive to improve? Sure.
Now… please stick with me through this. There is a point. I promise.
Right now, remember… the site is developed and maintained by only two people (Myself and Tony). And, this is the process we go through to get you the comic strip and blog on a weekly basis:
Usually by Thursday evening, I get a rough idea about what I want to write about the following week (to be published on Monday evenings). I email the idea over to Tony. On Friday, Tony and I answer any clarifying questions about what we will try to get across… and by Saturday mornings Tony has a rough idea of the text and format of the panels in the comic to me. That’s usually the last we talk about anything until Monday afternoon when — pop — in comes the latest comic strip for the weekly blog. I’ll go back to my original outline for the idea (that I emailed him the previous week) and then — after the kids go to bed on Monday nights — I refine (as much as possible) the bog entry for the week.
Publish. Rinse. And Repeat.
I usually am totally shocked at the results. In a good way. And, most of the times, the comic strips that go along with this bog entry write-up take things to an extreme (with a lot of references to pop-culture and humor in ways I could never think about).
Over the time of working on this site together, Tony and I have come to a balance and understanding that he provides the [awesome] comics and I will provide the text and writings behind them.
This is an example of pairing.
Is it the classic example? Nope.
Does it cost me more than doing it alone? No.
Is the product better?
Does it work? You tell me (please!!!!).
Another interested fact on the idea of pairing.
Most people think you need to collocate in the same room and computer in order to do this. I will let you in on another secret, and think about this for teams that are not collocated today — Tony and I live in different states (not of confusion, but locations) and we have yet to meet face-to-face. If I passed him on the street, I would not even be able to say “hi” to him.
We will meet someday, I am sure. However, as with many Software Development projects these days, Scrum teams are using offshore resources on a more regular basis (I will not go into this topic on this entry, really!). The point here is that, in reality, we are all going to have to work with people we may never meet face-to-face. And it somehow needs to work.
Does this increase the chances of failure?
Absolutely.
Another factoid…. I had the idea for this site in early 2006. It took me almost eight months of speaking to my personal network of contacts — and then to networks of people and their networks — to “find” what both an artist and I considered a good fit.
Could I have launched the site earlier than September 11, 2006?
Sure.
Would it have had the same tone and impact it is having today?
No.
However, once we figured out that we could get started… we did.
And, weekly — come hell or high water — we deliver on a consistent basis. Sometimes the results vary widely.
As for Software Development projects using Scrum, realize that you are dealing with people — human beings (not Resources!) and you cannot do everything by yourself. And, with all the constraints that are out there for not getting things done or delivered…. remember that Scrum talks about the “Art of the Possible” and try to keep that in mind as you get mired down in your day-to-day work.
I hope the current blog entry was helpful to you. Share it with others, as I see happening quite a bit now (and thank you for that!). And hopefully you enjoyed this week’s guest artist!
Gotta run…
Please send comments, questions, criticisms, ideas, or whatever here.
You can also enter The Scrum Community to discuss this entry and other Scrum topics. Thank you!
May 7, 2007
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