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> So Apple has a dominant position in iOS app distribution Is iOS app distribution a thing that can be dominated though, legally? In your example I get how stores and shoes are both things that can be dominated but what category of thing does iOS app distribution fall into? Is it still in the same category if one deletes iOS and just calls it in "app store"? Would Apple still dominate apps? It's all confusing to me.…
This is getting into market definition, which is kind of complicated and subjective, but one of the key factors is substitution. So for example, is "Clorox bleach" its own market, separate from just "bleach"? Well, no. Clorox bleach is chemically identical to any other bleach. You could switch one for the other and not even be able to tell the difference. On the other hand, is "broadband internet service in Pittsburg…