It was slow starting for self-service ad platforms. Buyers were hellbent on using exchanges to cherry-pick their inventory. But 2020 is an extremely different marketplace, largely shaped by how the global Coronavirus pandemic has altered the landscape. In particular, publishers’ sales teams are focusing on big buys, leaving occasional smaller buys on the table. Now, self-service tech is growing as a preferred brand safe option for capturing that smaller spend.| AdMonsters