What else is there to think about on Saturday afternoon?

I was talking to a coworker today (Jim) about my favorite xkcd comic:

This was from Spring of 2007 - 2 years ago. It's still awesome, but I wonder what it would look like today? Twitter isn't even on there, and Facebook would have a much bigger space now. I wonder what other newer communities would make the map? And where would Cory Doctorow's balloon be now?!