Amazon a "secrètement et systématiquement surfacturé" ses 1,2 million de clients annonceurs "en manipulant les enchères", affirme la plainte déposée par l'autorité américaine de protection des consommateurs et 22 Etats.

Federal regulators and 22 states allege that the tech giant made billions by manipulating how much brands and sellers paid for ads on its platform.

The lawsuit covers a seven-year window of time and involves over 20 state attorney generals.