"A thousand disparate networks would not have the same potential for global change and community." But Facebook is exactly that - thousand disparate bubbles. P

"A thousand disparate networks would not have the same potential for global change and community." But Facebook is exactly that - thousand disparate bubbles. People are connected only to items they are analyzed to care about beforehand. If something irks them, rather than coolly analyze it, people get offended and react - often en masse - which triggers the social media rages.