Web 2.0 refers to World Wide Web sites that emphasize user-generated content, usability, and interoperability. It allows users to interact and collaborate by creating and sharing content in a social media environment. Examples of Web 2.0 include social networking sites, blogs, wikis, and video and photo sharing sites. Web 2.0 has impacted access to information and media by democratizing the ability to create and distribute content, shifting power away from traditional gatekeepers. It has also enhanced creativity by empowering users to remix and build upon existing content.