Fine, Damnit, We'll Write About the Harlem Shake
Remember this? No? Exactly.
But the Harlem Shake? I've seen nothing (aside from that washing machine getting wrecked) to indicate this is something worth taking your time out for. On top of that, it's making the people of Harlem very sad.
In summary, please view "The Ketchup Song" and let it remind you how wonderful it is when everyone bands together and collectively forgets something. If that doesn't do it for you, there should be a link to the Macarena on the side there somewhere.