> Their own store, their own hardware, their own OS, their own services? Apple has 50% of the US smart phone market, in a 2 entity duopoly. That is significan

> Their own store, their own hardware, their own OS, their own services? Apple has 50% of the US smart phone market, in a 2 entity duopoly. That is significant market power. > to force everyone to also support unrelated businesses with no alternatives Anti-competitive behavior does not require a singular firm, in order for it to be illegal. Instead, only significant market power is required.