Christina Vittas is Elmo’s social media manager, and unless you’ve been hiding under a (pet) rock, you’ve probably noticed that the tweet Vittas wrote for Elmo on Monday has dominated the social media ...

At first glance, it might have looked like a run-of-the-mill social media check-in: "How is everybody doing?" But the message came from Elmo — the furry red friend to kids, Muppets and anyone else.