1A user triggers an ad request while using an app. Information about the user, available ad format, and other key factors are passed on to advertisers. Google sends the bidder application a bid request that describes an impression being auctioned. The bidder's account is configured to use the PROTOCOL_ADX RTB https://kylerpiark.vblogetin.com/33914863/la-regola-2-minute-per-automazione-pubblicitaria