- web 2.0 was introduced by time O'Reily at a conference in 2004
- web 2.0 is improved form of world wide web
- Tools/platforms that enable users to tag, blog, comment, modify, augment and rank
- Notion of ' participatory web'
- Key principles Read Vs Read & Write and users generated content, Content comes to you e.g. RSS
(Via: Webyantra)