The type is about as small as they could make it and the quote comes from 2007, but this research report does bear the Harvard Business Review logo, so I’m going with that. The publication date is 2010, but I didn’t find out about it until just now. Thanks for my old pal John Dodge for pointing it out. I guess Google Alerts doesn’t find everything. Here’s the study if you’re interested, entitled “Taking Social Media from Talk to Action.”