# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-04-08 19:13:35 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/11838837007) RT @katriord: On the Heels of iPad, Apple Unveils iPhone OS 4.0 http://tinyurl.com/yc677vn (Open Salon) #salon #apple