Activision Blizzard, Inc. engages in the development and publication of interactive entertainment. It operates through the following segments: Activision Publishing, Inc, Blizzard Entertainment, Inc., King Digital Entertainment and Other. The Activision Publishing, Inc. segment delivers online games through retail and digital online channels available in personal computer, mobile and table devices, to childrens, adults, and among core games as well as mass-market consumers. The Blizzard Entertainment, Inc. segment provides online personal computer gaming including the subscription-based multiplayer online role-playing game category through the system of subscriptions, retail of physical boxed products, online download sales of personal products and downloading via third-party console. The King Digital Entertainment segment distributes its content and services on online social platforms. The Other segment refers to businesses such as Activision Blizzard Media Networks which focuses on eSports industry; the Activision Blizzard Studios which devoted to creating original film and television content based on the library on the company's intellectual properties; and Activision Blizzard Distribution which consists of operations in Europe that provide warehousing, logistical, and sales distribution services to third-party publishers of interactive entertainment software, the company's publishing operations, and manufacturers of interactive entertainment hardware. The company was founded in 1979 and is headquartered in Santa Monica, CA.