What is Twitter getting over-excited about?

You know how Twitter is. It's always getting over-excited about something. RT's, arguments, flame-wars and anathemata are thrown about - and that's just people talking about the clocks going forward.
But the world of short-form social media moves fast. Trends are more rapid even than the Twitter "trends" page. So what is Twitter getting over-excited about right now?


Twitter is currently over-excited about.......