# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-03-28 21:39:43 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/11213994457) In reply to: [@ProfBrianCox](http://twitter.com/ProfBrianCox/status/11211365094) @ProfBrianCox Love that you are using the Twitter App called Gravity! How apt!