Who do you know? -- The seven keys to a powerful network -- Face-to-face vs. virtual communications -- Introduction to social software -- Email lists -- Relating in real-time -- Virtual communities -- Web logs (blogs) -- Social visibility software -- Virtual becoming reality -- The future of social software -- Netiquette -- Manage the email deluge -- The virtual you -- Privacy, safety, and other concerns -- Increase your character -- Increase your competence -- Build the relevance level of your network -- Build strong ties -- Increase the level and quality of information -- Grow the number of people in your network -- Increase the diversity of your network -- Ten simple steps to radically improve your network online -- Finding a job -- Marketing -- Sales -- Business development -- Volunteering.