Post
By Cory Doctorow (GPG 0xBF3D9110957E5F4C)
doctorow.pluralistic.net
did:web:pluralistic.net
When this all started, there were *lots* of companies in all three roles. Publishers and advertisers had their choice of SSPs, DSPs and exchanges, and all three types of middleman competed to offer the best deals to advertisers and publishers.
2026-09-05T08:55:08.930Z