Lenovo Group Limited, often shortened to Lenovo, is a Chinese-American multinational technology company specializing in designing, manufacturing, and marketing consumer electronics, personal computers, software, business solutions, and related services. Products manufactured by the company includes desktop computers, laptops, tablet computers, smartphones, workstations, servers, supercomputers, electronic storage devices, IT management software, and smart televisions. Its best-known brands include IBM’s ThinkPad business line of laptop computers, the IdeaPad, Yoga, and Legion consumer lines of laptop computers, and the IdeaCentre and ThinkCentre lines of desktop computers. As of January 2021, Lenovo is the world’s largest personal computer vendor by unit sales.