The document discusses challenges with cookies for digital advertising including that 2/3 of connected devices don't support cookies, 50% of cookies expire within 5 days, and cookies don't represent actual people. It notes the increase in devices per consumer and challenges with cross-channel attribution and retaining customers with seamless experiences across channels. It poses the question of how a people-based platform can solve these issues and outlines a three-phased approach of measure, plan and execute to do so.