Minecraft of the alpha version of the game expanded. Persson continued to update the game with releases distributed to users automatically. These updates included new items, new blocks, new mobs, survival mode, and changes to the game's behavior (e.g. how water flows). To back the development of "Minecraft", Persson set up a video game company, Mojang, with the money earned from the game. On 11 December 2010, Persson announced that "Minecraft" was entering its beta testing phase on 20 December 2010. He further stated that bug fixes and all updates leading up to and including the release would still be free.
Minecraft apparently taking full ownership of the CraftBukkit modification, although the validity of this claim was questioned due to its status as an open-source project with many contributors, licensed under the GNU General Public License and Lesser General Public License. On 15 September 2014, Microsoft announced a $2.5 billion deal to buy Mojang, along with the ownership of the "Minecraft" intellectual property. The deal was suggested by Persson when he posted a tweet asking a corporation to buy his share of the game after receiving criticism for "trying to do the right thing". It was completed on 6 November 2014, and