Generally, the aim of this book is to provide more elaborate RESTful patterns; however, this section intends to give you a quick introduction to web services and their evolution since the early 1990s, giving you exciting facts about Web 1.0 through to Web 3.0, and then moving on to details about service-oriented architecture (SOA) and resource-oriented architecture (ROA).
As you are aware, today's web is a universe in itself, with a massive amount of interlinked web-based apps, images, videos, photos, and various interactive content. Which web technologies have made this possible, where did it start, how has it evolved over time, and how does it enable web app developers to develop amazing and interactive web experiences?
The following diagram provides a brief overview of the WWW and its evolution over time. Please note that each web version has its enabling technologies mentioned in the corresponding box:
Let's discuss Web 3.0 more and focus on web services and their evolution as part of the third generation.
