The document discusses the state of global infrastructure performance and the challenges of delivering optimal performance to global web audiences. It summarizes that: 1) Content delivery networks (CDNs) were created to help address global performance challenges, but no single provider can deliver optimal coverage worldwide due to the immense scale and complexity of the internet. 2) A diversified portfolio using multiple cloud providers and CDNs is necessary to maximize global performance. 3) Real-time performance data from a global network is needed to intelligently route traffic to the best-performing locations for each user.