# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2012-03-28 09:14:26 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/184931441518444545) RT @Grinblo: iOS design: a case study of the ConcertWall iPhone app by @wolfr_ http://t.co/hBUyFy5I via @lordmatty