The document discusses the evolution of the web from Web 1.0 to Web 2.0. Web 1.0 consisted of standalone websites used for broadcasting information, while Web 2.0 enables user-generated content and collaboration through social media and user participation on the network as a platform. Key aspects of Web 2.0 include delivering continuously updated services, mixing and sharing data across sources, and rich user experiences through participation and network effects.

1. “ WEB 2.0” – A Primer Robert Gonsalves

7. Tim O'Reilly

8. Web 2.0 Design Patterns In this book, A Pattern Language, Christopher Alexander prescribes a format for the concise description of the solution to architectural problems. He writes:" Each pattern describes a problem that occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without even doing it the same way twice.” Tim O'Reilly

30. Not all sites links are attached http://webosphere.wordpress.com/