# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2015-05-01 11:48:30 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/594106114553344002) Watch Elon Musk announce Tesla Energy in the best tech keynote I've ever seen http://t.co/Dyu6GNFJmU via @verge