Web 2.0 is a term used to describe a second generation of the World Wide Web that emphasizes user-generated content, usability, and interoperability. It allows users to interact and collaborate online by contributing user-generated content through social media and virtual communities. Examples of Web 2.0 include social networking sites, blogs, wikis, video sharing sites, and web applications. David Gauntlett suggests that Web 2.0 has shifted power from media institutions to audiences by giving users more control over creating and distributing content online. It has also made media creation more accessible through smaller and obtainable technologies.