What the ALS Ice Bucket Challenge Still Teaches Us About Sharing Ideas

In the summer of 2014, videos of people pouring ice water over their heads seemed to be everywhere. The ALS Ice Bucket Challenge invited participants to share a video, nominate others, and donate to the fight against amyotrophic lateral sclerosis. The ALS Association reports that 17 million people participated and that the challenge raised $115 million for the organization. Its impact extended into research and care.

It is easy to look at that history and ask how to make a campaign go viral. That is probably the least useful question. The challenge grew around a serious cause and a community that mattered to participants. Its reach cannot be reduced to a recipe for selling something.

Still, it offers three lessons about how people carry an idea to one another. They connect to a question I explore in From Broadcasting to Belonging: What makes people want to participate in something rather than simply watch it pass through their feed?

1. Give people a clear way to participate

The action was easy to understand. Someone could receive a nomination, make a short video with ordinary supplies, share it, and invite others. They did not need to master a new platform or decode complicated instructions.

That simplicity mattered because the challenge depended on people acting, not merely agreeing that the cause was worthwhile. Each person could quickly see what participation involved.

For a business or organization, the lesson is to look at the distance between interest and action. If you invite people to contribute a story, join a discussion, share a resource, or support a cause, can they tell immediately what to do? Is the action reasonable for the people you hope will take part?

Reducing friction does not mean making a shallow request. It means making the path clear enough that someone’s willingness has somewhere to go.

2. Make sharing a personal invitation

The challenge did not spread only because people posted videos. Participants named other people and invited them into it. A broad public message became a specific exchange between people who knew one another.

There is a useful difference between creating something people can share and creating something they have a reason to pass along. A person might send your article to a friend because it names a problem they have discussed together. They might invite a colleague to an event because the topic connects to work they are both trying to do.

The original article described nomination largely in terms of peer pressure. Looking back, I would be careful about treating public embarrassment as a marketing tool. People are more likely to trust a business that makes participation meaningful and voluntary.

Ask what someone would gain by bringing another person into the experience. If the answer is only “it helps my campaign grow,” the invitation may need more thought.

3. Let the format serve the purpose

The videos were short and recognizable. People could understand the action quickly, add their own personality, and pass the invitation on. The format made participation visible and gave others an example to follow.

A time frame also helped the invitation feel immediate. But urgency is useful only when it belongs to the experience. A real event has a date. A group activity may need a shared window for participation. An invented deadline attached to an evergreen offer is a different proposition.

The same is true of brevity. A short video suited this challenge; it does not follow that every valuable idea should be compressed into a minute. Choose a format that helps people understand and take part. Sometimes that is a quick demonstration. Sometimes it is a thoughtful article that someone wants to send to one specific person.

The lesson beneath the mechanics

The Ice Bucket Challenge was a distinctive moment, and its fundraising impact belongs first to the ALS community, organizers, donors, and participants. The ALS Association says the funds helped accelerate research and expand care for people living with ALS.

For the rest of us, the durable lesson is smaller and more useful than “go viral.” Make the invitation clear. Give people a reason to involve someone else. Let the form of participation fit the thing you are asking them to care about.

You cannot manufacture the relationships that carry an idea. You can create something worth carrying.

N.B. Post revised 2026.