By mdangeard, published at 7 November 2008 - 5:27pm, last updated 8 weeks 4 days ago.

My friends at eCairn just released that Top 150 social media blogs list, ranked based on a relevance formula that mix topic and topology relevance - not crowdsourcing, actual science:
http://blog.ecairn.com/2008/11/06/top-150-social-marketing-blogs/
It is always useful to see who matters...