That moment when, at the 2017 Oscars, they figured out that they had announced the WRONG WINNER for Best Picture. To the average person at home it was a surprise or an amusement or a small shock--but to us it was our worst nightmare come to life in front of our eyes. My own sense of empathy was off the charts and I imagine the a/v crew, producers, handlers, etc., backstage scrambling; furious chatter over the com system trying to figure out how it could have happened.
Sometimes when things go wrong at your event--they really go wrong. Most of the time it isn't quite as public as a huge televised award show watched by ~33 million people.
But here are some things that we can learn from the Oscars screw-up that we can apply to our own events, should things ever go wrong.