Dance Around the World
Why has this video been viewed more than five million times on YouTube alone in less than three weeks?
I don't know. It's goofy and sweet and oddly moving, and the people and places are interesting in and of themselves and also in relation to each other.
Almost 22,000 people have offered their thoughts in the comments.
Lessons for business? Free technology can trump expensive campaigns. People connect to people. Success is as much about feel as it is about rules.
There is a commercial sponsor, but it's announced unobtrusively and thus may soak up some of the love given to the clip.