Google's net US digital ad revenues will decline this year for the first time since eMarketer began estimating ad revenues in 2008.br Business Insider forecasts Google will bring in $39.58 billion in US digital ad revenues this year.br That's down 5.3 from 2019.br This represents a downward revision of more than $7 billion from Insiders early-March forecast.br The forecast was made prior to the pandemic-related economic slowdown in the US, particularly reduced ad spending by the travel industry.