This document discusses the evolution of the web from Web 1.0 to Web 2.0 to Web 3.0 and the Semantic Web. It describes how Web 2.0 introduced more interactive and user-generated content through technologies like AJAX, RSS, social media, and tagging. While Web 2.0 has been adopted on the public internet, its use in businesses is referred to as Enterprise 2.0. The document also explores concepts for Web 3.0 like artificial intelligence and the web as a database. Finally, it advocates recognizing changes in web technologies to work with them more efficiently within and between enterprises.