With mobile expected to account for nearly 80% of digital ad spend by 2020, achieving industry scale for independent media quality measurement on in-app inventory is a top priority in digital advertising. Integral Ad Science set out to understand the market challenges and identify what it would take to deliver third-party verification at scale for their customers and partners. In opening a dialogue across the digital advertising community, IAS learned that the best solution was to open source their proprietary software. This report delves into the market challenges of measuring viewability in-app and the advantages of open sourcing for the industry.
