This document summarizes eBay's insights on improving traffic quality from their affiliate marketing program. It discusses the questions eBay faced around ensuring high quality traffic and measuring affiliate impact. eBay launched Quality Click Pricing, which pays affiliates based on the actual value of their traffic. Since launching this, eBay has seen an 18% increase in active user value and a 34% increase in earnings per click. The document concludes with insights on constantly improving value attribution, having all program aspects like network quality and account management work together, and providing transparency and education to publishers.