Real-time bidding can be compared to a stock market, where the amount of demand at the moment determines the price of a stock. With real-time bidding, publishers set the floor price for an ad, but the demand still determines the final price. Contact limit exceeded You've selected more contacts than https://angelorguma.blognody.com/27995477/esamina-la-relazione-sulla-cpa-costo-per-acquisizione