It's a pleasant article on an interesting person. It need not be all technical discussion, all the time.

A lack of understanding is a good basis for a question and a poor basis for an opinion

It's Friday?

In all seriousness though, hacker mentality is exemplified in people like Bill. His quotes in this piece on "waking up" by rattling things around is a great perspective to have for budding entrepreneurs, or for "hackers" stuck at the office at 5pm on a Friday.