Title: Social Bookmarking Sites List | Top Dofollow Soical Bookmarking Sites List 2011 - Your Source for Social News and Networking
Description: Pligg is an open source content management system that lets you easily create your own social network .
Keywords:
News,
Stories,
Articles,
Vote,
Publish,
Social,
Networking,
Groups,
Submit,
Upcoming,
Comments,
Tags,
Live