(Note: As always, the below represents my personal views and not those of my employer or the industry at large.) Within the ad tech industry, the above infographic is legendary. Each year a new version is released, showcasing the explosive proliferation of companies within the digital advertising landscape. Each named grouping ("DSPs," "Creative Optimization," "Ad Servers," etc.) represents a different service provided within the ecosystem, and generally in each of those categories there are numerous companies competing for market share.