This document outlines the social web and web 2.0. It defines the social web as implementations of social or business networking on the web using examples that are increasingly appearing. The social web is effective because it is social, provides simplicity, is accessible across multiple devices, has specific focuses, and has extendible apps/widgets. Web 2.0 applications discussed include blogs, wikis, collaborative editing, online games/virtual worlds, social bookmarking, media sharing, and social networking. Personal learning environments are defined as sets of lightweight services and tools controlled by individuals to support specific, personal learning goals. Enterprise 2.0 applies these technologies in corporate environments.