What Can’t You Learn From YouTube?

There should never be a doubt that you can’t learn something on YouTube.  Mark Devine from Mark and NeanderPaul, KSLX, Phoenix bought a bottle of Jack Daniels at the liquor store.  When he got home, he realized the clerk forgot to remove the security cap.  Driving back to the store would have delayed his drink, so he YouTubed the dilemma and found a ton of videos showing him how to do it.  What odd thing did you learn to do on YouTube?