I don't necessarily agree / disagree however there is a whole lot more to learn from Philipp Lenssen's interview of Kevin Fox than this post from 37signals abou

I don't necessarily agree / disagree however there is a whole lot more to learn from Philipp Lenssen's interview of Kevin Fox than this post from 37signals about iterative design / usability http://blogoscoped.com/archive/2008-06-02-n56.html http://blogoscoped.com/archive/2008-06-02-n56.html