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A smiling Jack Tretton revealed that the PlayStation 4 will have no restrictions on used games and will not require an always-on internet connection for single-player games.
"Yes, that's a good thing," he said to a cheering crowd.
Sony also announced that trading, lending and selling of games will be permitted, and purchasing a game means that it is owned by the consumer forever.
the system won't require any sort of online authentication for disc-based games.
-Source
