Big Tech

label for large technology companies including Alphabet (Google), Amazon, Apple, Meta Platforms (formerly Facebook), and Microsoft

Big Tech also known as the Tech Giants, Big Four, Four Horsemen, Big Five, or S&P 5, are the largest and most dominant companies in the information technology industry of the United States, namely Amazon, Apple, Google, Facebook and Microsoft. Since the end of the 2010s, these five have been, besides Saudi Aramco, the most valuable public companies globally, with each having had a maximum market capitalization ranging from around $500 billion to around $2 trillion USD at various times.


  • Big Tech — like other large US companies — benefited from corporate tax cuts implemented under President Donald Trump. In many cases, the smaller tax payments helped boost their profits. However, not all of Trump's policies and actions during his first term have played well with Big Tech.
  • Big tech platforms like food delivery service Meituan, ride-hailer Didi, and online travel agency Ctrip are accused of compiling consumer purchasing information and other data, and then using that data to charge higher prices to certain consumers. The practice is so pervasive that it has earned a name in China: “big-data backstabbing.”Fortune

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