The real-time bidding system is a programmatic and instant procedure in which media buyers bid on traffic from SSP’s and traffic suppliers including direct publishers. The real-time bidding exchange is a win-win system for both publishers and advertisers, they both gain profit. As long as advertisers win a bid they receive most traffic inventory depends on thier budget and targeting option they had set before launching the campaign. Publishers also sell their traffic with high CPM rate and gain more money.