Last week, I found my dander elevated as I read Harnessing the Power of Social Media with Mark Schaefer. Schaefer knows his stuff when it comes to “influence,” and he recognizes ...... Continue »

[Updated on 2/17/2011 — added the last section with additional information about Twitalyzer’s Community measurement and a little additional nod to TweetReach.] A pretty intriguing post from Michael Healy came across ...... Continue »