# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2009-12-14 23:48:15 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/6677750483) In reply to: [@Salzzz](http://twitter.com/Salzzz/status/6677561954) @Salzzz I'm testing a location-based Twitter app that I'm working on using Twitter's geo-tagging API. You can follow @dataninjitsu for more.