What's interesting is that you can put the id in the url and get their data (example: http://graph.facebook.com/677195182 http://graph.facebook.com/677195182).

What's interesting is that you can put the id in the url and get their data (example: http://graph.facebook.com/677195182 http://graph.facebook.com/677195182). I'm not entirely sure about what you could do with this data, but it's there, for anyone to see.