In the first 20 seconds of this 35-second video, the man in the bench is singing alone. Then one person – hard to tell who – joins him around 0:22, and within 8 seconds the whole crowd has joined in.
To be a leader, you don’t always have to go first.
It takes courage and leadership to be the first follower.
I once read (can’t remember where) a post making this same point, illustrated by this fabulous 3-minute video titled “Sasquatch music festival 2009 – Guy starts dance party.” If you are ever looking to illustrate the S-shaped market adoption curve, that video could be Exhibit 1.