This document discusses using social media and online networking for career and job searching purposes. It defines Web 2.0 and outlines key features like search, links, authoring, tags, extensions, and signals. It also describes the creation of online social media like photo sharing, video sharing, virtual worlds, and social networking services. The document emphasizes that networking is important for gathering information and building professional relationships, as most jobs are never posted and referrals are a top source of external hires. It provides tips for successful online networking, including cleaning up your online image, creating a professional brand, getting connected on sites professionals use, and maintaining your online presence.