In 2014, buckets full of ice water set the internet on fire. People were challenged to dump a bucket of ice water over their heads, post the video to social media, then challenge others to do the same in order to help those with Amyotrophic Lateral Sclerosis, or ALS, often known by its older name, Lou Gehrig’s Disease. The campaign was tailor-made to take advantage of the viral nature of the web.