The Best Free (or Cheap) Tools for Blogger and Influencer Outreach
Adam Sherk
APRIL 30, 2013
Google+ Tools. 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. And since social media and Google+ in particular have an impact on SEO there are also secondary benefits to locating influencers there.
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