3 Companies Now Make Up 50% of U.S. Ad Revenues

$120B of $225B of Digital Ad Spend went to 3 tech companies. Amazon's inclusion here is surprising.

> Big Tech stocks like Google and Facebook are well known pure plays on the advertising space. However, Amazon’s inclusion may come as a surprise. Typically known for their ecommerce business, Amazon now also makes over $16 billion in ad revenue each year.