The document discusses the future of internet advertising. It notes that click-through rates for online ads are very low, limiting branding potential. It also discusses how most online ads are delivered through third parties, so advertisers often don't know where their ads are being shown. Several groups are working on solutions, like the "3MS" initiative to improve transparency and reduce complexity in the digital ad ecosystem. The document argues that the future of online measurement needs principles like moving to a "viewable impressions" standard to count real exposures, and making digital media measurement more comparable to other media.