LinkedIn is now growing at a rapid rate. http://tcrn.ch/cDqYFv
Why social media projects fail from a european perspective http://www.slideshare.net/mobile/Insidebsi/why-social-media-projects-fail-a-european-perspective#23
The value of linked in recommendations http://www.brandcampu.com/2010/10/the-value-of-linkedin-recommendations/
Facebook, Twitter, LinkedIn, etc. All Those Friends and Now What? http://bit.ly/cnpgtG