Tim Bray in Doing it Wrong explains the big differences between the big traditional software companies with a lot of process and the Web companies and its associated culture.
Obviously, the technology matters. This isn’t the place for details, but apparently the winning mix includes dynamic languages and Web frameworks and TDD and REST and Open Source and NoSQL at varying levels of relative importance.
More important is the culture: iterative development, continuous refactoring, ubiquitous unit testing, starting
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