Amazon is Nibbling Away at Google Search Ads, eMarketer Says

Ad Age:  Amazon is the only real threat to Google’s search dominance in the U.S., according to a new report from eMarketer, which forecasts that the e-commerce giant will generate more than $7 billion in search advertising revenue this year. Google will notch more than $40 billion in search advertising revenue in the U.S. this year, the report finds.