I am sure many of you have been to a large, sports stadium and have seen a close up of a person or group of people in the crowd on the large screen.
This technology, developed by Sony, is called a Jumbotron.
The goal is to get a close up of specific people in the audience for entertainment.
Watch how people react when the camera is on them.
It is quite funny!
Watch to find out who is the winner of the dance contest.