Very useful presentation how to proof ROI of Social Media (and perhaps even Marketing in general). Just working on @zoernert on some similar anaysis for the Lotus-brand, but more focussed on awareness. But perhaps having two layers, the revenue layer and the awareness and Social Media layer makes sense - with a certain time gap associated. What do I mean with time gap? Marketing activities in general do not create immediate revenue, at least not in B2B business. The impact on business comes later.

Olivier Blanchard Basics Of Social Media Roi