For those of you who have not seen it yet, check out this new infographic by Voltier Digital brought to us by Lauren Drell from Mashable.com.
It is nevertheless, an awesome selling point for leads/prospects on the fence about inbound marketing: http://mashable.com/2011/10/30/inbound-outbound-marketing/
Scroll down to the bottom and you won't be surprised by the first listed source.
Happy Halloween!
Nick