The document discusses the history and evolution of the World Wide Web from Web 1.0 to present. It suggests that Web 3.0, also called the Semantic Web, will connect online and offline data through technologies like semantic web, cloud computing, and microformats to allow machines to better understand web pages. Key aspects of Web 3.0 may include fewer dedicated email services, connecting currently separated social networks and data silos, and giving users more control over their online experiences and data through browser-based applications.