Yishan Wong makes some interesting points: http://www.quora.com/Are-Foursquare-and-Gowalla-going-to-survive-now-that-Facebook-Places-has-launched http://www.qu

Yishan Wong makes some interesting points: http://www.quora.com/Are-Foursquare-and-Gowalla-going-to-survive-now-that-Facebook-Places-has-launched http://www.quora.com/Are-Foursquare-and-Gowalla-going-to-sur...