eMarketer: Google will take 37.2%, or $48.05B, of all US digital ad spend this year, down from 38.2% in 2018, while Amazon will take 8.8%, up from 6.8% in 2018 (Laurie Sullivan/MediaPost)

Laurie Sullivan / MediaPost:
eMarketer: Google will take 37.2%, or $48.05B, of all US digital ad spend this year, down from 38.2% in 2018, while Amazon will take 8.8%, up from 6.8% in 2018  —  Google dominates the search ad market today, but eMarketer's latest forecast shows that within the next two years, Google's revenue share will fall and Amazon's will rise.