Following the indication that 10 million units have shipped for Battlefield 3, EA announces the game has sold five million copies in its first week, "making it the fastest-selling game in EA’s history." Also, a post on the Battlefield Blog thanks Battlefield 3 for their valuable feedback, and offers a status report on the state of the recently released military shooter sequel. They outline post-launch improvements in the game, and highlight five areas they are continuing to work on: Quick Match functionality, squad joining, Origin authentication, dealing with cheaters, and server maintenance.