# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2011-02-09 08:47:08 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/35258385687379970) In reply to: [@ianvisits](http://twitter.com/ianvisits/status/35256812554944514) @ianvisits Apple's innovation was in human-computer interaction. On a touchscreen device prioritising response to user input above all else.