Ever since man tied a rope to an ox, there has been a relentless drive to automate work processes. Like primitive farming, digital media buying is a thankless, low-value task where results (and profits) do not often match the effort involved. Many companies are seeking to alleviate much of the process-heavy, detail-oriented tasks involved in finding, placing, serving, optimizing, tracking, and (most importantly) billing digital media campaigns with various degrees of success.
