Apple Inc., incorporated on January 3, 1977, designs, manufactures and markets mobile communication and media devices, personal computers and portable digital music players. The Company sells a range of related software, services, accessories, networking solutions and third-party digital content and applications.
The Company's segments include the Americas, Europe, Greater China, Japan and Rest of Asia Pacific. The Americas segment includes both North and South America. The Europe segment includes European countries, India, the Middle East and Africa. The Greater China segment includes China, Hong Kong and Taiwan. The Rest of Asia Pacific segment includes Australia and the Asian countries not included in the Company's other operating segments.
The Company's products and services include iPhone, iPad, Mac, iPod, Apple Watch, Apple TV, a portfolio of consumer and professional software applications, iPhone OS (iOS), OS X and watchOS operating systems, iCloud, Apple Pay and a range of accessory, service and support offerings.
Apple is well known for its size and revenues. Its worldwide annual revenue totaled $265 billion for the 2018 fiscal year. Apple is the world's largest technology company by revenue and one of the world's most valuable companies. It is also the world's third-largest mobile phone manufacturer after Samsung and Huawei. In August 2018, Apple became the first public U.S. company to be valued at over $1 trillion.
The company employs 123,000 full-time employees and maintains 504 retail stores in 24 countries as of 2018. It operates the iTunes Store, which is the world's largest music retailer. As of January 2018, more than 1.3 billion Apple products are actively in use worldwide. The company also has a high level of brand loyalty and is ranked as the world's most valuable brand. However, Apple receives significant criticism regarding the labor practices of its contractors, its environmental practices and unethical business practices, including anti-competitive behavior, as well as the origins of source materials.

According to reuters.com