Great presentation !

One-half of female Internet users had brought a product because of a social network. Purchases based on social networking sites and blogs both increased dramatically over 2008.

This is excellent !
Thanks to @aplusk for the link.

Via http://www.youtube.com/watch?v=LQ4qeaGIW54

B2Bs less experienced but more active
The “2009 B2B Social Media Benchmarking Study” found that those B2B companies already using social media were much more active in the space than their B2C counterparts, especially when it came to microblogging, participating in discussions on third-party sites, blogging and monitoring company mentions on various social media.