The Psychology of Collective Action, Social Media, and Clay Shirky
                  I FOUND IT! After years of pondering in the back of my mind, I found an article by Clay Shirky that summarizes what I’ve been seeking for years:           From:  Larson, Eric M.     Sent:  Thursday, June 03, 2010 10:00 AM     Subject:  Collective Action and "opting out"?       Hi, Clay!  At last week's AllVoices webinar you mentioned a really interesting concept in passing:  That the studies/experiences in the "psychology of collective action" show that that people tend  to "opt out" when the participation rates are unknown.       In other words, "Gee, I don't know how big a deal this is, so I guess I won't go" -- which would be the flip side of, "Wow!  It sounds like that thing is going to be popular; I'd better be there!"   (Or maybe, "Gosh, it's going to be a tiny group; I'd better go to help them out"?)           Here’s the closest thing I...