Have just joined foursquare.com … I have no friends there and as a Windows Mobile user it is less than convenient (until the WinMob client is launched) but it seems like fun – already I am not a newbie and have added a local venue (The Blakehay) and checked in at the Pier …

Is this just another social interface to remember or will its location-based info be useful? Could SeatChoice make use of it to provide information to users? I wonder …