THEORY - Web 2.0
WEB 2.0
This refers to the WORLD WIDE WEB websites that emphasise user-generated content usability and interoperability for the end users. The term was popularised by Tim O'Reilly in late 2004, though it was coined by Darcy DiNucci in 1999. Web 2.0 does not refer to an update to any technical specification, but to changes in the way Web pages are designed and used.
A Web 2.0 website may allow users to interact and collaborate with eachother in a social media dialogue as creators of user-generated content in a virtual community in contrast to the first generation of Web 1.0 ear websites where people were limited to the passive viewing of content. Examples of Web 2.0 features include -
- Social Networking sites (email, blogging)
- Social Media sites (Facebook , Twitter, Instagram)
- Video Sharing sites (Youtube)
- Hosted Services (HTTP)
- Web Applications (Apps)
- Collaborative Consumption Platforms (link)
- Mashup Applications (link)
Web 2.0 is substantially different from prior Web technologies and has been challenged by World Wide Web inventor Tim Berners-Lee who describes the term as "jargon". His original vision of the Web was a "collaborative medium, a place where we all meet and write." On the other hand, the term Semantic Web (Web 3.0) was coined by Berners-Lee to refer to a web of content where the meaning can be processed by machines.
Web 1.0 is a retronym referring to the first stage of the World Wide Web's evolution. Personal web pages were common, consisting mainly of static pages hosted on ISP-run web servers or on free web hosting services such as GeoCities. With the advent of

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