Why Facebook Shouldn’t Be Allowed to Buy tbh

Facebook is acquiring tbh, another burgeoning social network; regulators erred in allowing the Instagram and WhatsApp acquisitions, but there is no better place to start enforcing the law than now.

Defining Aggregators

Building on Aggregation Theory, this provides a precise definition of the characteristics of aggregators, and a classification system based on suppliers. Plus, how to think about aggregator regulation.

The Super-Aggregators and the Russians

Facebook is in trouble — again — for Russian ads about the election; figuring out how to deal with them requires first understanding that Facebook, like Google, is a Super-Aggregator. It faces zero transaction costs in all parts of its business.