Explore the core aspects of REST, Hypermedia, and HATEOAS in this 46-minute conference talk from Spring I/O 2016. Learn practical steps for implementing these concepts into existing APIs using Spring HATEOAS and Spring Data REST. Discover the fundamentals of content negotiation, API discoverability, and introducing links to guide clients through API responses. Delve into advanced scenarios such as versioning, API evolution with Hypermedia, and the JSON-API specification. Examine real-world examples from public APIs in the Spring ecosystem. Gain insights on topics including JSON and Hypermedia integration, Spring Hit introduction, resource wrapping, link addition techniques, and advanced use cases like JSON Views. Conclude with a comprehensive wrap-up and Q&A session to solidify your understanding of HATEOAS and Hypermedia implementation in Spring.