Thankfully we have seen most of these fads and challenges go instead of stay. It's hard to believe that some of these didn't cause more serious injuries than they did.
The 2014 phenomenon returns to raise ALS funds and awareness, and Renee Zellweger and Justin Bieber are two of the first high-profile folks to douse themselves.
With the craze of the Ice Bucket Challenge going around, there has been a lot of discussion about the money raised, and whether it's going to do any good.