If all you did to improve your commercial presence was to train your sales people on the importance of influencers ... how much more effective could they be?
We have our own internal version of Klout. We do rate people in this way - their effectiveness on social media. Tying social into a performance measurement works. The productivity of a sales who has an effective social media presence is 3x an employee who is not active on the web.
Security is a big concern on the social web. People are going to try to destroy social media just like they are trying to breach data in other areas.