Apple and antitrust

Ben Thompson for Stratechery:Reuters reported last week that the U.S. Department of Justice and the Federal Trade Commission were divvying up tech companies for potential antitrust investigations… There’s just one problem: it’s not clear what there is to investigate.
There is no company for which the question of market definition matters more than Apple. The company is eager to point out that the iPhone has a minority smartphone share in every market in which it competes; even