Twitter is funny imo because it started as the microblogging service nobody wanted or understood ("nobody cares what you had for breakfast") but somehow got media traction to become an often quoted source for stuff. My perception was the chicken came before the egg, ie media pushed Twitter as a source when it was still irrelevant, and as a consequence it became relevant. So if it loses that media support, it's not immediately clear to me if it will become self sustaining because of its user base. Maybe. Or maybe they will go wherever mainstream media gives the most attention.