Microsoft is the originator of computer software development and currently the world's largest computer software supplier. It was founded in 1975 by Bill Gates and Paul Allen. Its main business operations include research and development, manufacturing, licensing and provision of computer software, game consoles, digital players, etc. Its main representative products are Microsoft Windows operating system and Microsoft Office software.

Oracle is a famous American software company and the second-highest revenue software company in the world after Microsoft. Oracle was founded in Silicon Valley, California, in 1977. Its main products now include large-scale database software, enterprise resource planning systems, customer relationship management systems, etc. In the 2013 Fortune Global 500 ranking, Oracle ranked 294th.

Download.com is a download site owned by the American company CNET (acquired by CBS in 2008). Users can download more than 150,000 free applications on multiple platforms such as Windows, Mac, IOS, and Android.

Run Keeper is an American website dedicated to providing outdoor construction tracking services to users of the Run Keeper iPhone app. The principle is to apply for 3G iPhones for athletes and use GPS to track their position.

Hewlett-Packard (HP; Hewlett-Packard) is a global information technology company from the United States. It was founded in 1939 by two graduates of Stanford University, William Hewlett and David Packard. It is a printing and imaging and IT company. A giant in services. HP's three major business groups include Information Products Group, Printing and Imaging Systems Group, and Enterprise Computing and Professional Services Group.

SAS is one of the world's largest software companies. It was founded in 1976 and ranks 90th among the Fortune 500. Its business covers 134 countries and regions around the world.

McAfee is the world's best-selling antivirus software and a leading provider of network security and availability solutions. Some well-known anti-virus research institutions (such as McAfee AVERT) provide backing for all McAfee products produced by McAfee, protecting McAfee consumers from the latest and most sophisticated virus attacks.

Uber is an American startup company founded in 2009 and headquartered in San Francisco, California. Uber mainly provides online car rental services. Passengers and drivers are linked through the mobile App to achieve car rental, carpooling and other purposes. It currently operates in more than 100 cities around the world. While Uber has grown rapidly, it has also been subject to a lot of controversy and criticism, including multiple accusations of illegally operating vehicles. Uber China official website has been launched.