Apple is an American company founded in 1976 that is headquartered in Cupertino, California. It operates in the computer hardware, digital music player, smartphone, and tablet industries and has annual revenues of over $156.5 billion. Tim Cook serves as CEO and oversees Apple's 80,000 employees across its 400 retail stores and online store in 14 countries. Some of Apple's key financial and product figures include over $40 billion in quarterly revenue, 250 million iPhones sold in the last 5 years, and over 600,000 apps available on the App Store.