Over the last few years we’ve been treated to a number of “Facebook revolutions,” from the Arab Spring to Occupy Wall Street to the squares of Istanbul, Kiev and Hong Kong, all fueled by social media. But once the smoke cleared, most of these revolutions failed to build any sustainable new political order, in part because as so many voices got amplified, consensus-building became impossible. Question: Does it turn out that social media is better at breaking things than at making things?