The Best Free (or Cheap) Tools for Blogger and Influencer Outreach
Adam Sherk
APRIL 30, 2013
But Google+ is a decent method as well, since Google Authorship participation results in people adding links to their blogs and sites they contribute to on their profile. All my + is a useful tool for evaluating the activity and engagement of specific profiles, as I did in my post on Google+ engagement for news sites. BuzzStream.
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