Summary of Gang of Four

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Gang of Four summary


8 Overall

8 Importance

9 Innovation

8 Style


Scott Galloway’s tour de force takes his audience on a whirlwind exploration of the world’s four most dominant tech companies. The marketing expert hardly pauses for breath as he reels off a litany of statistics and superlatives to put the influence and size of the “four horsemen” in perspective. getAbstract recommends Galloway’s frantic, entertaining and visually appealing report to investors and consumers interested in trends among the titans of business.

In this summary, you will learn

  • How Amazon, Apple, Facebook and Google performed in 2015;
  • How much influence these “four horsemen” wield; and
  • What each of these companies must do to hit individual market capitalizations of $1 trillion.

About the Speaker

Scott Galloway is a professor of marketing and brand strategy at NYU’s Stern School of Business.



In 2015, the collective market capitalization of Apple, Amazon, Facebook and Google grew from $1.38 trillion to $1.78 trillion, which is equivalent to the gross domestic product of Canada. In geopolitics, GDP equates to influence. That heuristic...

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