(CNN) — Let's face it -- it doesn't take much to convince us to do ridiculous things, document them and share them on the Internet.
Make it for a good cause, and you get a viral sensation that starts with a single person and rides the wave of social media all the way to Hollywood, the White House and sports stadiums around the world.
The Ice Bucket Challenge is a social media campaign that aims to raise awareness and money to fight Lou Gehrig's disease, also called amyotrophic lateral sclerosis, or ALS.
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And it's simple, in the same way that laying stiff as a board in weird places or dancing the "Harlem Shake" is simple. Dump a bucket of ice-cold water over your head, then challenge a friend, or friends, to either do the same or donate money to the The ALS Association. Make a video of the whole thing and post it to your social media accounts.