demise of ego-centric social networking?
January 1, 2008[2008] will see mass outbreaks of a Facebook fatigue, as busy professionals realise they are wasting an hour or more a day on essentially mindless activities. By contrast, activity-based networking sites, such as Flickr.com, will continue to prosper, for the simple reason that they are not self-limiting in the way that ego-centric services are.
http://www.guardian.co.uk/business/2007/dec/30/apple.google

