6 PR 7 and above social bookmarking sites you should be using in your marketing efforts.
delicious
del.icio.us
Delicious is a social bookmarking service that allows users to tag, save, manage and share web pages from a centralized source. With emphasis on the power of the community, Delicious greatly improves how people discover, remember and share on the Internet.
PR8
digg
digg
Digg is a technology news website that combines social bookmarking, blogging, RSS, and non-hierarchical editorial control. With digg, users submit stories for review, but rather than allow an editor to decide which stories go on the homepage, the users do.
PR7
Yahoo Search myweb2
Yahoo Search myweb2 beta
A social search engine integrating social bookmarking with search.
PR7
reddit
Social bookmarking where your votes affect your karma points.
PR7
Diigo
Diigo
Recently acquired fURL, a web highlighter with sticky notes, called “Diigo is a research tool that rocks!” by Techcrunch.
PR7
stubleupon
StumbleUpon
Bookmarking, social networking, friends-network, random browsing within interest-groups.
PR7

