# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2016-07-09 13:36:20 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/751771973525602304) Just watch the Intro to Swift Playgrounds WWDC video. Can essentially create full apps with Playground Books! https://t.co/ekCQsQYjMT