Nokia goes agile. Will the rest follow?

Ari Jaaksi from maemo.org is blogging about Scrum in Nokia’s Linux/Open source projects.Also, Juha-Markus Aalto (of Object development fame) presented what I would call the “Nokia Agile Requirements Model” (and what Dean Leffingwell calls “Lean, Scalable Requirements Model“) at the Object days in Tampere. See the slides here(PDF alert). With all of this I can …

The value Black Swan (or the killer improvement in software development)

Thinking back to how we value our work, we must recognize that, in software, quantity is not value! The number of things we do in a sprint does not vary too much, we can consider it a Gaussian (assuming correct and consistent measurement) — or in Black Swan (TBS) parlance: velocity is a variable from …

End the never ending design discussions: Timeboxed estimation for User Stories, a pattern in Agile adoption

In this post, Jason explains one common problem with the estimation and planning sessions in Agile teams. The problem he describes however, is quite common and has lead to implementation of the Separate Design and Requirements anti-pattern in the traditional software development world.So I thought I’d write a pattern about a simple and common solution …

Separation of design and requirements may have destroyed more software projects than waterfall…

The people that convinced us to never mix design with requirements may have wrecked more software projects and destroyed more value in the software industry than anyone else! Just think what happens when you separate requirements from design: You don’t validate assumptions to more than a very superficial level (the “I don’t care about the …