The document discusses the term "Web 2.0" and its meaning. While the term was coined in 2004, Web 2.0 refers to a more socially connected web where users can interact and contribute through blogs, wikis, multimedia sharing, and other services. The key ideas behind Web 2.0 are that it facilitates sharing, social interaction, user-generated content, and that it has significantly impacted how people use and engage with the web.