Sources: Google agreed to refund advertisers that paid for ads displayed in an ad fraud scheme discovered in 2017, following lawsuit over back-payments (Patience Haggin/Wall Street Journal)

Patience Haggin / Wall Street Journal:
Sources: Google agreed to refund advertisers that paid for ads displayed in an ad fraud scheme discovered in 2017, following lawsuit over back-payments  —  Google has agreed to refund advertisers for ads purchased through its ad marketplaces that ran on websites with fraudulent traffic …