Those who've read Doctorow's books and blogs on the collective action problem stopping people leave the established social media walled gardens may not find anything new, except for the quite brilliant link he makes with "the 1971 film adaptation of Fiddler on the Roof ... the Anatevkans can’t just pack up and leave: they are being …

proposal ... for a U.S. government agency to regulate online speech... on all social media.... fails to make the case... the idea that a government agency would necessarily do better is naive... think about exactly who would appoint that agency’s leader, and to what political ends they might seek to put it...

the next iteration of technology applied to politics will be a huge leap forward with a greater ability to target people... address each of the 156 million of registered voters on the US with personalized messages.... a falsehood delivered in a personalized way is likely to be more efficient but less visible than a blatant lie put on Twitter; it w…