BBC News - Stop the presses: Facebook CTO says news next in social revolution

February 10 2011, 7:57pm

 When we update the Facebook product we have to update about seven different versions.  It's becoming a real engineering challenge for us, as well as other technology companies. The end goal is that we'll be able to develop one version of Facebook for mobile devices, that runs on all different kinds of mobile phones. That's really where our focus is now.