Social Bookmarking could be one of the best things that ever happened to websites and blogs. Social Book marketing sites allow users to create a set of content bookmarks. These bookmarks are organized by tags, which are (usually) random words or phrases the user can assign to content. This gives the user a way to classify, rank and organize content using tags. The most popular Social Bookmarking Site is del.ici.ous, which has millions of users. Social Bookmarking sites have an intrinsic advantage over search engines and other bots — people choose what to bookmark rather than relying on a program to categorize and qualify content. There is an implied quality in something that someone has taken the time to select. Social Bookmarkers read other people’s bookmarks and add them to their own if they like them. RSS feeds to see what others are tagging, which I think is cool, and a textbook example of viral marketing. About 4% of my referrers this month are del.icio.us related, including .8% o...