# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2013-02-12 05:57:17 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/301208333858254848) RT @StewGleadow: 7 deadly sins of modern ObjC, includes “not using automated tests” http://t.co/fz027KaN from @ashfurrow