How has technology change our entertainment industry?

It has changed from a radio and there won't that many buyers until 52 years they got 5,000,000. Then for the TV it had to be around 15 years for it to get 5,000,000, the computer for 6 years, IPod for 3 years and Face Book for 2 years. As you can see The technology is completely increasing rapidly. Japan is creating a lot of these items for all of america.