Glenn Fiedler, CEO of Network Next, discusses challenges and importance of multiplayer networking. They express skepticism towards blockchain and NFTs, and explore the evolution of network models in multiplayer games. The chapter also touches on the advantages and disadvantages of third-party publishers in the gaming industry and discusses the future of AR and VR. The speakers criticize the current trend of blockchain technology and NFTs, and the CEO of Network Next explains how their startup improves network performance for multiplayer games.