The document outlines 7 practical things about social bookmarking: 1) Personal capture of bookmarks with tags, descriptions, annotations and comments. 2) Public sharing of bookmarks by user, tag or both. 3) Social aspects of discovering other users' bookmarks. 4) Ability to search bookmarks. 5) Syndication of bookmarks to others. 6) Managed privacy, groups and moderation within bookmarking environments.