Yes, they do, and pretty good. Because it is actually faster and less error-prone once you get familiar with Evolutionary Design. A good read from M. Fowler:

Yes, they do, and pretty good. Because it is actually faster and less error-prone once you get familiar with Evolutionary Design. A good read from M. Fowler: http://martinfowler.com/articles/designDead.html http://martinfowler.com/articles/designDead.html - this talks, why a lot of Extreme Programming practices come into the synergy to make Evolutional Design effective (and not only). Drop enough of these practices, indeed, it will stop being effective.