Poynter: “YouTube will be surfacing authoritative sources in search results during breaking news in order to push out the regular dribble of conspiracy theories, but defining “authoritative” might be tricky. WhatsApp is now labeling forwarded messages and working with fact-checkers and researchers, but will it be enough to limit the spread of viral rumors? Facebook launched its data-sharing partnership with academics, but will it result in meaningful methods to counter fake news? Twitter suspended more than 70 million fake accounts in May and June — with more on the way — but will it cut down on breaking news hoaxes? At a press event yesterday in New York City, Facebook took questions from reporters about its anti-misinformation efforts. They got a few mixed answers, and a lot of questions still remain about tech companies’ ability to single-handedly limit misinformation — but hey, at least they’re doing something…”