Well Google, Amazon, and Facebook simply don't have monopolies, though if you define the market as iPhone app, then Apple does, no argument. And the harm to con

Well Google, Amazon, and Facebook simply don't have monopolies, though if you define the market as iPhone app, then Apple does, no argument. And the harm to consumer is incredibly easy to spot, a 30% tax on any app purchase or in app purchase. Each of the web companies also have one of the most comically low barriers to change of any 'monopoly'. When att was broken up it was truly the only phone carrier for much of the US, switching was borderline impossible. You could replace Google search in the next 30 seconds.