PlayStation 4 redefines rich and immersive gameplay with powerful graphics and speed, intelligent personalization, deeply integrated social capabilities, and innovative second-screen featuresBackground downloading and updating capability also allows you to immediately play digital titles as they download, or update the system when the hardware is powered off.PlayStation 4 lets you instantly share images and videos of your favorite gameplay moments on Facebook with a single press of the share button on the Dualshock 4 controller.Broadcast while you play in real-time through Ustream, allowing friends to comment or jump into your game in new ways.