Una coalici�n bipartita de 21 estados y la Comisi�n Federal de Comercio (FTC) presentaron este lunes una demanda contra Amazon por manipular en secreto y de forma sistem�tica el...

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 way this worked was through a mechanism called a "soft reserve":