1. He uses wikis as part of a software development community (especially the Zope 3 wiki at http://dev.zope.org/Zope3/).
2. He's started a (currently private) wiki where he experimenting with world creation for a fantasy role-playing game he's running for a group of kids (including one of his own).
Hi Fred. Don't worry. I don't spend much time in wiki either .
Hehe. You should be glad I don't have a working digital camera these days!