Sony takes a shot at Microsoft during its E3 2013 conference.

Sony has confirmed that the PlayStation 4 will not require an online check-in and that Sony will impose no restrictions on trading in disc-based games.

Speaking during Sony's E3 2013 press conference, SCEA president Jack Tretton added that disc-based PlayStation 4 games will be able to be traded in at retail, sold to another person, lent to friends, or just kept forever.

The news positions Sony's PlayStation 4 in direct opposition to Microsoft's Xbox One, which requires a 24-hour check-in for all games and will restrict the sale of used games to selected retailers.

"I guess that's a good thing," said Tretton.

Following the announcement, Sony released a video to YouTube called the "Official PlayStation Used Game Instructional Video."

[ Watch Video ]

More to follow.

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