# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2011-01-31 23:21:50 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/32217018363023360) It's so easy to buy Kindle books! Love it. Needed a book on Object-Oriented PHP, 1 minute later, got one. BOOM!