I once read that TSR had very poor knowledge of who their target audiences were. Recently I've been looking at the stats for this blog, trying to figure out who my audience is. I like the various options blogger.com have added to review the readers. Here's a map showing where the blog readers come from in the world:
Obviously, there is some margin of error here with random image searches, bots, spammers etc being counted, but it still gives me some idea of where the readers come from. Mainly however, it was just fun poking around with this stuff and seeing what kind of options blogger.com offer.