One Company Wants to Rank the Ad-Tech Industry. Another Calls Foul

Frustration over a lack of transparency in ad tech boils to the surface

SpotX has called out Pixalate for its sell-side index ranking. Pixalate, SpotX, Getty Images

SpotX and Pixalate are locked in a dispute over fraud and transparency—issues that strike at the core of ad tech.

@andrewblustein Andrew Blustein is a programmatic reporter at Adweek.