What is web 2.0 give examples of 2.0?

Web 2.0 refers to the second generation of the World Wide Web, characterized by the shift from static web pages to dynamic, user-generated content and interactive platforms. It emphasizes collaboration, sharing, and social interaction. Examples of Web 2.0 include social media sites like Facebook and Twitter, video-sharing platforms like YouTube, and collaborative tools like Wikipedia and google Docs. These platforms allow users to create, share, and collaborate on content in real-time.