How We Built Our Real-Time, Location-Based Urban Geofencing Gamehttp://blog.programmableweb.com/2011/09/29/building-a-real-time-location-based-urban-geofencing-game-with-socket-io-redis-node-js-and-sinatra-synchrony/ by caseorganic • 15 years ago 24 2 15 years agoBLblog.programmableweb.com