Aggregators, by virtue of owning demand, gain power over suppliers which become modularized and commoditized.
The Aggregator Paradox
Google is winning with AMP and blocking ads in Chrome: both seem bad, but aren’t they actually good for consumers? That is the paradox of aggregation.
Economic Power in the Age of Abundance
Publishers are trying to threaten Google again, apparently unaware that because of the Internet they have no power: that flows to the platforms that control discovery.
Why Uber Fights
Ride-sharing is a winner-take-all market that depends on controlling demand more than it does supply.