Relevant Market https://www.mercatus.org/bridge/commentary/facebook-and-antitrust-part-1-what-relevant-market
Consumer Harm https://www.mercatus.org/bridge/commentary/facebook-and-antitrust-part-2-where-consumer-harm
don t forget to check for part 3
Part 3: Will structural remedies solve allegd problems ? https://www.mercatus.org/bridge/commentary/facebook-and-antitrust-part-3-will-structural-remedies-solve-alleged-problems