In 2015, Lenovo acquired IBM's personal computer business and, as of 2018, accounted for more than 22 percent of total market share in the PC market. Lenovo is famous for its Think-branded computers that include the ThinkPad tablets, ThinkPad Yoga, ThinkPad Helix, as well as the ThinkPad Twist. The company’s worldwide shipments for desk-based and mobile PCs in 2018 amounted to approximately 58 million units.
Lenovo also has a big presence in the server market, being able to generate over one billion U.S. dollars in revenue from server sales alone in the first quarter of 2018. The company is also among the top four manufacturers of supercomputers worldwide, falling only behind HPE, IBM and Dell. In 2016, Lenovo unveiled Lenovo Connect, a wireless roaming service that works across devices, networks, and international borders.