There was a few articles on value per user a few years ago, can't recall anything recently. Probably a bit less for an average user, but someone driven enough t

There was a few articles on value per user a few years ago, can't recall anything recently. Probably a bit less for an average user, but someone driven enough to opt out is probably more valuable than an average user http://www.forbes.com/sites/georgeanders/2013/11/07/a-twitter-user-is-worth-110-facebooks-98-linkedins-93/ http://www.forbes.com/sites/georgeanders/2013/11/07/a-twitte...