Twitter explains how Ryan Gosling, Chris Hadfield and Dove went viral

The GuardianTwitter explains how Ryan Gosling, Chris Hadfield and Dove went viralThe GuardianThat's one finding from Twitter's study of three videos that recently went viral on its network: actor Ryan Gosling's series of "Won't eat cereal" videos; astronaut Chris Hadfield's performance of Space Oddity; and Dove's Real Beauty marketing campaign.