Product Design - What's the Business Case?

A, you know, a each of these, it really is a little bit of a waterflow sometimes. You can't start interaction design without actually capturing requirements. And then finally, of course, engineering. If you can find someone who is good at a few of them, you're really, really blessed. Ah, if you can find some one who can do all those things, immediately make them a co founder,. but only if you've known them for a while.