Activision Blizzard, Inc. develops and publishes online, personal computer (PC), video game console, handheld, mobile, and tablet games worldwide. The company develops and publishes interactive entertainment software products through retail channels or digital downloads; and downloadable content to a range of gamers. It also publishes online subscription-based games in the massively multiplayer online role-playing game category; and real-time strategy and role-playing games. In addition, the company maintains a proprietary online-game related service, Battle.net that facilitates the creation of user generated content, digital distribution, and online social connectivity in its games. Further, it provides warehousing, logistical, and sales distribution services to third-party publishers of interactive entertainment software; and manufacturers of interactive entertainment hardware products. The company serves retailers and distributors, including mass-market retailers, consumer electronics stores, discount warehouses, game specialty stores, and consumers through third-party distribution, licensing arrangements, and direct digital purchases. Activision Blizzard, Inc. is headquartered in Santa Monica, California.