# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-12-22 21:10:24 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/17688426790789120) RT @TechmemeFH: Where Is Awarded The "Mother Of All Geofencing Patents" (@erickschonfeld / TechCrunch) http://tcrn.ch/e7VCTu http://tech ...