My presentation to Social Media Club Orlando. There were 5 panelists, and each was given 10 minutes to present a metric of their choice, one which each felt was the most important. I chose revenue, as at the end of the day, that's the only one that truly matters. If you are looking for a great presentation on the topic, see Olivier Blanchard's: Basics Of Social Media Roi found at: http://www.slideshare.net/thebrandbuilder/olivier-blanchard-basics-of-social-media-roi.