Sony could possibly stop you from playing used games

[NesFe]

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

"I also spoke to a Sony source elsewhere at the event this evening who told me that the anti used-game patent discovered last month was actually nothing to do with PlayStation 4 at all."