# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-03-15 06:45:32 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/10506330524) Google Explains its Core Businesses - Google Operating System - Google tries to explain in three beautiful videos t… http://bit.ly/c0N3q5