Web 2.0
noun /ˌweb tuː pɔɪnt ˈəʊ/
  /ˌweb tuː pɔɪnt ˈəʊ/
[uncountable]- the second stage of development of the internet that allowed users to create, change and share information, for example through blogs and social media
- the hype about Web 2.0
 - the phenomenon of Web 2.0 with its blogs and wikis