Explore the latest developments in web technology through an innovative conference talk that transforms the audience into an orchestra using Reactive Streams. Delve into the evolution of HTTP/2.0 and its impact on Server Sent Events. Gain practical insights on implementing HTTP/2.0 and guidelines for choosing between Reactive Streams and similar technologies. Discover the core concepts of Reactive Streams and learn how to get started using libraries like Spring Reactor. Witness a live demonstration where audience members' cellphones become orchestra instruments, receiving real-time instructions through Reactive Streams. By the end of this 41-minute presentation, understand the key features and practical applications of HTTP/2.0, grasp the fundamentals of Reactive Streams, and experience their reactive nature firsthand in an engaging musical composition.