Sony has changed up their PSN Software Usage Terms on the heels of the PlayStation 4 release date, causing confusion about the company's views on reselling games.

"You must not resell either Disc-based Software or Software Downloads, unless expressly authorised by us and, if the publisher is another company, additionally by the publisher," Sony stated in the update.

According to IGN, Sony clarified the usage terms update concerned gamers will still be able to resell their PS4 discs, despite confusion on Tuesday about the update.

The update was published on Sony's European PSN site, and the company has not confirmed if the United States will have the same usage terms.  The section of the usage agreement that stirred up controversy was in Section 14, titled "Are We Monitoring PSN?":

"Yes but we can't monitor all PSN activity and we make no commitment to do so. However, we reserve the right in our sole discretion to monitor and record any or all of your PSN activity and to remove any of your UGM at our sole discretion, without further notice to you.

"Your use of PSN and our community features may be recorded and collected by us or sent to us by other users as described in 13.1. Any information collected in this way, for example, your UGM, the content of your voice and text communications, video of your gameplay, the time and location of your activities, and your name, your PSN Online ID and IP address, may be used by us or our affiliated companies to enforce these Terms and the SEN Terms of Service, to comply with the law, to protect our rights and those of our licensors and users, and to protect the personal safety of our employees and users.

"This information may be passed to the police or other appropriate authorities. By accepting these Software Usage Terms, you expressly consent to this."

Many gamers go to third party retailers such as Gamestop to sell their titles to upgrade to a different game.  With new games selling anywhere from $50 to $70, buying used titles make it a little easier on a gamer's wallet.