Amateurs discuss Prototypes. Professionals talk Process.

One of my former Sonos colleagues once told me the single wisest thing I&rsquo;ve ever heard about hardware product development: &ldquo;We&rsquo;re a product development organization. We don&rsquo;t actually make speakers. We make instructions for how to make speakers. Our only real output is paper.&rdquo; (I originally attributed this to Sara Lincoln, but Sara tells me that she got it, in turn,…