3 ms·The patent was filed in February of 2007. Long before Foursquare and Gowalla were launched.by ssclafani 16y agoThe patent was filed in February of 2007. Long before Foursquare and Gowalla were launched.sbov 16y agoI'd still think it still should get thrown out due to prior art, since others came before it (from this thread no less): http://news.ycombinator.com/item?id=1764925 http://news.ycombinator.com/item?id=1764925jdavid 16y agobut not before dodgeball.