Group items tagged

Measure influence - in this context, a user's ability to move content across the social web.  Measures FB, Twitter, Linkedin and Google+ (with ither networks providing limited influence on scores)

Influence scoring system, playing catchup with Klout and Kred

Kred - Measures influence based on the propensity of others to share your content and mention you, as well as your outgoing engagement (Mentions and RT's for Twitter, for example)