"Activision Blizzard is one of the most successful video games companies in the world. Headquartered in Santa Monica, California, the company’s hit titles include the World of Warcraft, Guitar Hero and Call of Duty, along with the massively popular mobile phone game Candy Crush Saga. The company is listed on the New York Stock Exchange and has a market cap of $37bn as of August 2019, making it significantly larger than rivals Electronic Arts, Take-Two Interactive and Ubisoft.
The company is the product of several mergers and acquisitions, and is divided into three groups, Activision, Blizzard, and King. Activision developed Guitar Hero and Call of Duty. Blizzard was merged with Activision in 2009 and is responsible for the development of World of Warcraft. King, originally a Swedish company but now headquartered out of London, is responsible for mobile games such as Candy Crush."