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Alphabet is a multinational conglomerate that serves as the parent company of Google and several other subsidiaries. It was created in 2015 as a restructuring of Google, with the goal of making the various parts of the company more manageable and allowing them to operate more independently. The company is led by CEO Sundar Pichai and is headquartered in Mountain View, California.

Zappos.com is an online shoe and clothing retailer based in Las Vegas, Nevada. The company was founded in 1999 by Nick Swinmurn and launched under the domain name Shoesite.com. In July 2009, Amazon acquired Zappos in an all-stock deal worth around $1.2 billion at the time.

Facebook, Inc. is an American online social media and social networking service.

Adobe is an American developer of printing, publishing, and graphics software.

Yahoo! is an American web services provider headquartered in Sunnyvale, California, and owned by Verizon Media. The original Yahoo! company was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 2, 1995. Yahoo was one of the pioneers of the early Internet era in the 1990s.

International Business Machines Corporation (IBM) is an American multinational information technology company headquartered in Armonk, New York, United States, with operations in over 170 countries. The company began in 1911 as the Computing-Tabulating-Recording Company (CTR) and was renamed "International Business Machines" in 1924. IBM manufactures and markets computer hardware, middleware and software, and provides hosting and consulting services in areas ranging from mainframe computers to nanotechnology.