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October 2009 - Posts

Thursday, October 22, 2009 6:55 AM

When estimates don’t matter

This is an edited version of a post I wrote to kanbandev on 10/22/2009. The thread was started by somebody asking about work decomposition and how it relates to estimation, and asking why we have been saying that estimation doesn’t have value. Disclaimer:
Posted by willeke | 4 Comments
Saturday, October 17, 2009 9:30 AM

Calculating Touch Time

This is a follow-on from the same conversation with Liz as the last post. We were talking about how Inkubook used branch by feature to keep our main line clean and to avoid additional complexities around the “Share code” bullet from her post : Share code.
Posted by willeke | 0 Comments
Saturday, October 17, 2009 7:23 AM

Multi-pair stories: a response

This post is a response to Liz’s post on Mocks, outside-in, swarming features and guesswork , specifically the bit about swarming. I was telling her how swarming tended to work on the Inkubook.com team when I was there and she asked me to make my comments
Posted by willeke | 1 Comments
Thursday, October 15, 2009 2:02 PM

How time flies…

I’m doing a bit of research around Inversion of Control and Dependency Injection today for work, and I’ve been continually struck by how long these concepts have been around relative to the length of my career. Martin Fowler’s early article on the topics
Posted by willeke | 0 Comments
Tuesday, October 06, 2009 6:58 AM

The relationship between Agile and Lean – one man’s perspective

This is a copy of a post I wrote to leanagile on 6 Oct, 2009. I have copied it here because I feel that it explains my perspective well. One of the things that has caused me to embrace both Agile and Lean is that they are not closed systems. Each of them
Posted by willeke | 0 Comments
Friday, October 02, 2009 3:58 AM

Kanban Team beats Scrum Team!

Yesterday Karl Scotland and I were able to witness an amazing event with one of the teams here in the UK. A kanban team measurably demonstrated 5x the results of a Scrum team with comparable software experience and capabilities working towards the same
Posted by willeke | 1 Comments