Google share of search ad market high but shrinking – eMarketer

Alphabet Inc’s Google dominates the growing U.S. search ad market but Amazon.com Inc is growing fast, according to data from the market research company eMarketer released on Tuesday.
EMarketer data showed that the U.S. search ad market will grow by nearly 18% in 2019, and Google will have 73.1% of that market and revenues of $40.33 billion. EMarketer said that Google’s share would decline to 70.5% by 2021.
Google faces investigations by the Justice Department, House of Representatives Judiciary Committee based on allegations that it abuses this dominance in ways that violate antitrust law.
The data also showed that Amazon, which overtook Microsoft Corp for the No. 2 spot in 2018, and has 12.9% of the market, boosting search revenue to $7.09 billion.