Here's how PS4's SharePlay feature works like virtual couch co-op

You don’t have to own a game in order to play it with your friends anymore.

Sony is updating the PlayStation 4 next week, and it is adding a feature called SharePlay. We’ve explained how it works before, but now Sony is sharing a video that provides a visual explanation of the process. The big idea is that it lets you join your friends virtually so that you can play games alongside them.