Web 2.0
noun old-fashioned uk/ˌweb tuː pɔɪnt ˈəʊ/ us/ˌweb tuː pɔɪnt ˈoʊ/
（所有允许用户创建、修改、分享内容的互联网功能和网站）
a name for all the internet features and websites that allow users to create, change, and share internet content (= information, pictures, etc.)