This document discusses transparency and efficiencies in digital media buying. It notes that by 2019, up to 90% of UK digital advertising will be programmatic. It lists several things leaders are asking for to create transparency, including transparent contracts, cross-platform planning and reporting, unified viewability metrics, third-party verification, brand safety, and fraudulent prevention. It discusses initiatives like the ISBA framework contract that support tighter terms around digital measurement, metrics, and standards. The document also discusses the need for unified viewability metrics and accreditation to assess viewability, brand safety, and fraud.