I've been using XBL for a while now, but only for downloading updates, demos etc. I've never played multiplayer (even had the Crackdown-Halo3 beta and didn't play it). But in the last week, I've received 4 friend invite-thingies. Is there a customary response - just click yes? Send a message saying hi? Not sure why the sudden interest. (It might be as I topped the leaderboard in one of the Crackdown road races, but I don't want to gloat.. </oh yes I dooooo!> ) Do people actually receive a lot of messages thru XBL? I've been using it for 5 months and haven't received one.