Top 500 Shared Direct Sales Pools
The 500 largest shared direct sales pools grouped by ad system. The size of a rectangle is proportional to the number of publishers in a pool and the color indicates the seller type. Hovering over a rectangle will provide more metadata and clicking on a rectangle will cause it to expand to the full plot size.
Author: Gabriel Altay
Interactive Viz: https://misinfocon.com/examining-opaque-programmatic-markets-with-the-credibility-coalition-adsellers-dataset-b9ff5d6781c4