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I don't disagree with you but I think the argument there is that those three compete with each other so no one has absolute dominance over the market place. Oli

I don't disagree with you but I think the argument there is that those three compete with each other so no one has absolute dominance over the market place. Oligopolies aren't much better for the public than monopolies but they seem to get a lot less scrutiny from regulators. I am really not a fan of Walmart but I do shop at Costco and Target occasionally and I try to check both when making meaningful household purchases to see which one's cheaper. At some level, they do have to compete with each other on price and service.

novok 7y ago
Thing is the big tech cos also compete with each other. You can online shop at amazon, walmart, ebay and many other small online shops. Same with advertising. You can advertise at google, fb, twitter and a bunch of other small advertising providers. Yes they distort their respective markets and put pressure on suppliers, but so does walmart and other big retailers. So if the law comes into place, it shouldn’t be limited to the online space