Apple Inc. and its wholly owned subsidiaries design, manufacture, and market personal computers, portable digital music players, and mobile communication devices, and sell various related software, services, peripherals, and networking solutions. The company sells its products worldwide through its online stores, its retail stores, its direct sales force, and third-party wholesalers, resellers, and value-added resellers. In addition, it sells various third-party Macintosh, iPod, and iPhone compatible products, including application software, printers, storage devices, speakers, headphones, and various other accessories and peripherals through its online and retail stores, and digital content through the iTunes Store. The company sells its products to consumer, small and mid-sized business, education, enterprise, government, and creative customers. As of December 27, 2008, it had 251 retail stores. Apple Inc., formerly known as Apple Computer, Inc., was founded in 1976. The company is headquartered in Cupertino, California.