PS4 Sold 4.2 Millions Units

The PS4 system is now available in 53 countries and territories globally
Sony Computer Entertainment announced today that cumulative sales of PlayStation 4 have reached 4.2 million as of December 28, 2013. In addition, PS4 software sales remained strong through the holiday season with more than 9.7 million copies sold in retail stores worldwide and through digital downloads on PlayStation Store.
Moreover, global PS Plus subscriptions have increased by more than 90% since the PS4 launch. PS Plus members have access to the Instant Game Collection and can play the full versions of popular titles without a time limit and at no extra cost. Current games include Resogun from Sony Computer Entertainment Worldwide Studios (SCE WWS) and Contrast from Compulsion Games.