Pligg Social Bookmarking has grown as one of the most popular platforms next to Scuttle and phpDug sites to use for mass social bookmarking. And it’s been used alone, by webmasters to rank up websites and webpages in the SERPS (Search Engine Results Pages) since it began. When it comes to Pligg sites, you either are a Pligg site owner or use a Pligg site for real online bookmarking of your favorites.. Yeah right. Or you use them for mass