They obviously liked Xbox smartglass - http://www.engadget.com/2013/02/20/sony-announces-playstation-app-for-ios-android/
And they seem to think Kinect was a good idea - http://www.engadget.com/2013/02/20/PlayStation4-eye/
They obviously found much joy in a PC like architecture and development simplicity that Xbox always provided to devs.



















