# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2016-10-27 15:24:42 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/791661910626369536) In reply to: [@None](http://twitter.com/None/status/791659752619028480) @charlesismcom @nicklockwood I'm writing a technical book on the iPad using Swift Playgrounds and find I'm much more focused compared to OSX