Apple is an American corporation that develops personal and tablet computers, audio players, smartphones, software and digital content. The headquarters is located in Cupertino, California. Almost all Apple products are produced by contract manufacturers at factories in Asia, the largest contractor is the Taiwanese company Foxconn, the largest plant is in Zhengzhou.
One of the pioneers in the field of personal computers and modern multitasking operating systems with a graphical interface. More than half of the company's sales come from iPhones, with about 900 million such smartphones in use around the world in 2021. The largest market for the company is the United States, and a significant share in the revenue of China, Japan and a number of European countries.