Are this the same with other services like Gowalla? Cos anyone can make the jump from Foursquare easily. Both services can post to Facebook anyways, so if it's

Are this the same with other services like Gowalla? Cos anyone can make the jump from Foursquare easily. Both services can post to Facebook anyways, so if it's for the same reason of telling people where you are, why are people still sticking on Foursquare?