Delrahim says no, because there needs to be evidence that competition has been threatened. If and when there’s supporting evidence, the government should take action, he says. His view is that in a healthy free market you want investors to invest in big tech because they are providing the actual competition to the old-line standard-bearers of many industries.

How should we determine consumer welfare when so many things, like Google’s search and Facebook’s networking, are given away for free? If these platforms are giving away something for free, isn’t the consumer benefitting? It helps to take a look back at how we got here.

There are a lot of concerns from small companies feeling edged out by Amazon and Google. Should they be looking beyond antitrust for a solution? It’s complicated, says Delrahim. But vigorous and timely antitrust enforcement, backed by a court that understands economics, is a system of law that works.