Gamecom has started and Sony’s press conference is underway with live streaming coverage on Twitch

Sony has just announced huge sharing enhancements coming to the PS4. System updates 2.0 will be bringing these enhancements to PlayStations Now-powered "Share Play" feature which allows your friends join in from anywhere and play together or take over the controls. A key point here is the don't even need to own the game you're playing. Another neat sharing feature is the ability to upload directly to Youtube, just like were done with twitch.

PS4 system software update 2.00 will introduce Share Play, which will enable you to virtually pass your controller to a friend— PlayStation (@PlayStation) August 12, 2014

Any PlayStation Plus member can Invite a friend and play ANY of your games together. #PlayStationGC— PlayStation Europe (@PlayStationEU) August 12, 2014