This is how Qassia describes them, “Qassia is a credit-driven intelligence engine coupled to a cascading tag-based web directory.”
We ourselves did a review on Qassia and in our own view; Qassia is a Web 2.0 Social Media site with somewhat similarities with other social sites such as Squidoo and Hubpages with some unique added functionality. [...]

 
Social bookmarking allows Internet visitors and webmasters to save, organize, search, and manage bookmarks on the web using meta data.
In the social bookmarking platform, visotors of social sites can save their important and favorite bookmarks that they want remember easily and/or share. Most important thing for people interested in link building to know is that [...]