Why it worked
The video showcases futuristic technology applied to a common service, hair styling, which generates curiosity and surprise. The rapid transformations and the novelty of the machines likely contributed to its shareability.
Summary
The video showcases an automatic haircut machine performing various hairstyles on different individuals. The machine is shown creating buns, braids, and eventually a short haircut, with reactions of surprise and admiration from the subjects and onlookers.