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"Make it happy!" Coca-Cola's new marketing campaign exhorts. The campaign, introduced during a Super Bowl commercial, is accompanied by a stunt through which Twitter users reply to negative tweets with the hashtag "#MakeItHappy"; Coca-Cola then transforms those tweets into cute ASCII art. "We turned the hate you found into something happy," @CocaCola chirps.

“Hellooooooo world!!!” wrote Microsoft’s new AI bot in its first tweet yesterday morning. By the end of the day, it had declared that Hitler did nothing wrong.