Facebook admitted having copied products from its competitors, either in order to acquire them or simply to prevent them from entering the market, thus ensuring the domination of its own ecosystem.
Facebook is made of several different products, some of which can be individually compared to services offered by other companies, but never to Facebook in its entirety.
If we look at the market from which Facebook earns its profits—selling high performance prediction products (in the form of targeted ad placements, thanks to the automatic analysis of our online behaviour)—the company places second (22%) behind pioneer Google (37%), well ahead of any other competitor.
Antitrust rules have historically aimed at protecting consumers from a single provider raising prices. Today, it is the possibility not to choose one of these giants (who control most of the online data flow) that is at stake.