This one, you know it just had to be on the list. These challenges were all the rage back in 2013, and your Facebook newsfeeds were flooded with people pouring ice cold water on themselves, nominating people to do the same, and then donating some amount for the ALS Association. But here’s the best part: ALS never planned this campaign!
Yup, a golfer from Florida, Chris Kennedy, nominated a friend to participate in the Ice Bucket Challenge, which had nothing to do with ALS at the time.
Read more about this example from The Yellow Sparrow.