# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2013-12-06 01:18:43 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/408767426244145152) In reply to: [@davidzle](http://twitter.com/davidzle/status/408766699077238784) @itsDavidLe This was in late 2009 and I was 29. Started with iPhone Development for Dummies, then Beginning iPhone 3 Development.