This document discusses the growing use of virtual worlds like Second Life in business and education. It outlines the learning objectives of exploring tools available for creating immersive online experiences and preparing for experiences in Second Life. Companies that have experimented with 3D virtual worlds are listed, as well as potential uses in vocational education and training. Different types of virtual worlds are described and basic skills for participating in Second Life like text and audio chat, walking, teleporting, and sending instant messages are covered.