How has technology changed our entertainment industry?

Back than there were movies that were black & gray.

Now we have movies that are color and the sound is like if you are there.

Music was about love romance & all of that but now, it is rap, RBD, rock, and more.

Back than rock was not rock or was it? 

I think that rock is with the solo guitar.

Games i like cool games from now.

Not lame old games.

Is it important to learn about the history of Technology? Explain

I think that it is important to learn the history of technology because, we need to know how to operate. if we know the history than we will know how important it is to have a computer. many things that we do in a computer is something we don't look at.we can do thing with it