Like Tyler said about people online, you never know about them. It reminds me of a friend of mine from a chicken forum. We chatted all the time, they had a name that could go either way-Alex and their username wasnt gender specific. We had been chatting for about 2 years, they live on the other side of the state and we go over there all the time for shows so we decided to meet at a show once and for all. We emailed what we would be wearing and were going to be hanging out by the coffee maker with a name tag. The whole time I had chatted with them I swore they were a guy just the way they talked and all that. And since it is against the rules to ask age we never asked. So I thought it was a guy named Alex in his 30's by the way they talked. Well was I wrong, it was a girl who is 16, it was pretty interesting. We are now friends on myspace and all that. So you never really know people online, lol.
But some sites like SBG and facebook help to get to know people alot better. Poor Timmy, thats creepy knowing that a person like that is in your town.