This is the state of power in United States digital economy:
2 out of every 3 digital ad dollars in the US goes to Facebook,Google or Amazon, according to eMarketer data.
Google, Facebook, and Amazon are among the most valuable tech companies in the world. And as shown in this chart, based on data from eMarketer, the three companies utterly dominate certain segments of the online economy in the US.
Amazon is a growing power in digital advertising, but its real stronghold remains its online retail business, with 37.7% of all e-commerce sales in the US ringing up at the Amazon cash register.