# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2011-07-28 18:52:33 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/96654290524962816) In reply to: [@blackjack75](http://twitter.com/blackjack75/status/96652495782289409) @blackjack75 Imagine they'd use face detection to optimise the parts of the video to more heavily compress though.