Web 2.0 refers to the second generation of web development and web design that facilitates information sharing, interoperability, user-centered design and collaboration on the World Wide Web. While Web 1.0 is a retronym which refers to the state of the World Wide Web, and any website design style used before the advent of the Web 2.0 phenomenon. It is the general term that has been created to describe the Web before the bursting of the Dot-com bubble in 2001, which is seen by many as a turning point for the internet.
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