This document discusses the evolution of the web from Web 1.0 to Web 2.0 and the rise of virtual worlds. It notes how personal websites evolved into blogs and wikis and how users now generate content. Virtual worlds like Second Life are described as online platforms where users can meet, build, and explore, without explicit objectives. Statistics on Second Life usage and real-world companies using it for marketing, retail, and events are provided. The document suggests many potential future applications of virtual worlds.