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The Hewlett-Packard Company (commonly referred to as HP, and stylized as hp) or Hewlett-Packard ( HEW-lit PAK-…ôrd) was an American multinational information technology company headquartered in Palo Alto, California. It developed and provided a wide variety of hardware components as well as software and related services to consumers, small- and medium-sized businesses (SMBs) and large enterprises, including customers in the government, health and education sectors. The company was founded in a one-car garage in Palo Alto by Bill Hewlett and David Packard, and initially produced a line of electronic test equipment.

Sony Corporation is a Japanese multinational conglomerate corporation headquartered in Kōnan, Minato, Tokyo. Its diversified business includes consumer and professional electronics, gaming, entertainment and financial services.

Stripe is an American technology company based in San Francisco, California. Its software allows individuals and businesses to make and receive payments over the Internet.

Microsoft Corporation (, abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington. It develops, manufactures, licenses, supports and sells computer software, consumer electronics, personal computers, and related services. Its best known software products are the Microsoft Windows line of operating systems, the Microsoft Office suite, and the Internet Explorer and Edge web browsers.

Ticketmaster Entertainment, Inc. is an American ticket sales and distribution company based in Beverly Hills, California with operations in many countries around the world. In 2010 it merged with Live Nation under the name Live Nation Entertainment.

BlackRock, Inc. is an American global investment management corporation based in New York City. Founded in 1988, initially as a risk management and fixed income institutional asset manager, BlackRock is today the world's largest asset manager with $6.29 trillion in assets under management as of December 2017.