PS4 can "loan" digital games to friends.

[Munkeh111]

animegaming said:
with some of these features makes me wonder if the block use game thing is true

Loads of stories confirming it isn't true (and that it doesn't have to be online)

http://www.eurogamer.net/articles/2013-02-21-sony-tells-eurogamer-playstation-4-will-not-block-used-games