# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2012-07-06 18:06:44 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/221304186812383232) RT @mattgemmell: OK, I think it's time. You've earned this. The secret wisdom of the ages regarding iOS/OS X class design: http://t.co/ ...