This document outlines 6 reasons why B2B marketers should use social media. It argues that social media provides unmatched listening capabilities to understand audiences better. It also allows leveraging of existing digital content and building richer profiles of audiences. Further, B2B social engagement tends to be higher quality with clearer industry influencers. Social media moreover facilitates improved tracking of conversions. Finally, social advertising for B2B audiences is much more cost effective than traditional advertising.