Answer:
Web 2.0
Explanation:
Web 2.0. means such internet applications which allow sharing and collaboration opportunities to people and help them to express themselves online. It’s a simply improved version of the first worldwide web, characterised specifically by the change from static to dynamic or user-generated content and also the growth of social media.
The concept behind Web 2.0 refers to rich web applications, web-oriented architecture, and social web. It refer to changes in the ways web pages are designed and used by the users, without any change in any technical specifications.