Jeff MacArthur joins us to talk about how Facebook is building new tools to fight fake news in the wake of the United States presidential election. Plus, our best Power Friend @Brittlestar brings us the latest on how a group of hardcore Viners (sort of) saved the Vine app. Also, on the show, KidsWifi CTO Kris Braun on his company's new easy-to-manage device to keep your kids safe online.