As people will say you can use Twitter and Facbook on PS3 and Wii-I think, the integration of the 360 with Twitter and Facbook is the key..
I think MS had a slight better showing because many of the things they showed are coming out soon, rather then later..
PS4 Preordered - 06/11/2013 @09:30am
XBox One Preordered - 06/19/2013 @07:57pm
"I don't trust #XboxOne & #Kinect 2.0, it's always connected" as you tweet from your smartphone - irony 0_o