Web 2.0 is a term used to describe the second generation of the World Wide Web that is focused on user-generated content, easier usability and interoperability, and web-based communities. This presentation discusses key aspects of Web 2.0 including blogs, RSS feeds, wikis, social media platforms like Facebook, Twitter and Pinterest, and how they have changed how people share information and collaborate online through user-generated content and social interactions. Web 2.0 technologies allow for more dynamic and asymmetrical interactions between users through features like commenting, sharing, and following content on various platforms.