Currently, it's actually the definition of when something gets broken up or not. Anitrust today focuses on consumer wealthfare and not corporate power. However,

Currently, it's actually the definition of when something gets broken up or not. Anitrust today focuses on consumer wealthfare and not corporate power. However, there are some politicians like Elizabeth Warren who are argueing to change that criteria. This is often referred to as "Hipster Antitrust" https://en.wikipedia.org/wiki/Hipster_Antitrust https://en.wikipedia.org/wiki/Hipster_Antitrust For a great series on the history of anti-trust and the current debates on its application to tech companies check out this short Planet Money Series: Antitrust 1: Standard Oil https://www.npr.org/sections/money/2019/02/15/695131832/antitrust-1-standard-oil https://www.npr.org/sections/money/2019/02/15/695131832/anti... Antitrust 2: The Paradox https://www.npr.org/sections/money/2019/02/20/696342011/antitrust-2-the-paradox https://www.npr.org/sections/money/2019/02/20/696342011/anti... Antitrust 3: Big Tech https://www.npr.org/sections/money/2019/02/22/697170790/antitrust-3-big-tech https://www.npr.org/sections/money/2019/02/22/697170790/anti...