In the past, digital ads were bought and sold in a manual manner by real people; publishers and ad buyers. This method of buying digital ads was not only expensive and unreliable, but in some cases, advertisers were not able to buy enough ad inventories for specific ad campaigns. DSPs were made to make the buying and selling of ads inventories cheaper and more reliable, by programmatic bidding. What is A Demand-Side Platform (DSP)? A demand-side platform (DSP) is a…