Russia's social media meddling could spell the end of online anonymity

This week, representatives from Google, Facebook, and Twitter are appearing before House and Senate subcommittees to answer for their role in Russian manipulation during the 2016 election, and so far, the questioning has been brutal. Facebook has taken the bulk of the heat, being publicly called out by members of Congress for missing a wave of Russian activity until months after the election. But one of the most interesting parts of yesterday's proceedings actually came after the big companies h...