This, and some stuff it links to, is pretty funny:
http://www.computerbytesman.com/privacy/blair.htm

I didn't know word documents have logs in them. ._.

Only Word XP or later.

Apparently older versions of word do, too, according to the artical. And Microsoft made a great tool for cleaning out the metadata which works for Word 2K and higher.

I'd recommend distributing stuff as html or pdf :)