The document discusses the future of digital measurement in marketing. It notes that the majority of global media consumption will soon be digital, so measurement tools need to account for this. Key challenges include cross-device tracking, determining touch point quality, location tracking, dealing with "walled gardens" like Facebook and iOS, and identity management across platforms. Unified measurement of both online and offline data will be needed. Addressing these challenges can improve marketing efficiencies by 10-30% according to research.