You see a young executive in a public place staring into his laptop and you think , " Oh , poor guy , he's working so hard ."But in fact , perhaps he's watching the latest movie on his computer. Movie watching all over the world is changing - and very quickly. Film companies are releasing DVD a few months after the the movies are in theaters , and people are downloading movies from the internet onto their computers. The art of filmmaking is also changing.People are making their own movies and putting them up on the Web .Every day millions of video clips go on the air for viewing by millions of people over the world .Sites like YouTube or Daily motion are becoming more and more popular. Anyone can make a short video and put it up on the Web for free. Many show pet tricks or silly things, such as a pet turtle eating a lettuce leaf or an animal just staring at the camera. Consider the guy dancing in different places around the world .He 's dancing with a group of people under the Eiffel Tower in Paris , with children in Timbuktu in Mali, in front of the Sydney Opera House, and at Sugar Loaf Mountain in Brazil.Many clips show people who are just sitting in front of the camera and talking about their lives.Some videos show can did shots of people who don't know they are going to be the Web-like an who is complaining to some who is talking loudly on a cell phone on the bus.