Didn't Google recently start making hangouts calls use peer to peer connections?http://9to5google.com/2016/02/04/hangouts-improved-peer-to-peer/ http://9to5goog

Didn't Google recently start making hangouts calls use peer to peer connections?http://9to5google.com/2016/02/04/hangouts-improved-peer-to-peer/ http://9to5google.com/2016/02/04/hangouts-improved-peer-to-p... What do they do differently from what Apple did initially?