Issues Message Boards NoFollow Social News 
Webbiquity SMM
NOVEMBER 2, 2010
She provides an excellent taxonomy of the social media landscape, categorizing the different types of social media tools into: • Social News Sites (Digg, Reddit, Kirtsy, etc.). Social Networking (Facebook, MySpace, LinkedIn, etc.). Social Sharing (YouTube, Flickr, SlideShare, etc.). Social Events (e.g.,
Techipedia: Tamar Weinberg
JANUARY 5, 2012
This post is a somewhat technical approach toward dealing with duplicate content issues. New Edition of the Ranking Factors for 2011 is Now Live ! Here’s how you can identify and solve that issue. Social Networks. It’s pretty exhaustive too. Notorious S.E.O: This is a really creative piece. Public Relations.
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