# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2013-09-10 19:38:09 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/377516364963266560) RT @Cocoanetics: Apple made the iPhone 5s 64 bit to make sure that all developers need to buy it to see if your code runs on the new ARM ar…