# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2011-10-14 08:53:53 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/124769884390432768) RT @Cocoanetics: Siri keynote from 2009, very informative how it works and what might be coming http://t.co/XGUzdXcv