I saw him speak a few years ago. The impressions I got were: * nice guy, but a bit awkward socially * very smart and good memory too * has written a lot of f

I saw him speak a few years ago. The impressions I got were: * nice guy, but a bit awkward socially * very smart and good memory too * has written a lot of free software, and would like others to consider making theirs free as well Also, I wished that he would've included more technical topics in the talk.