In the 20th century there were a lot of different great advances in the evolution of mast media. For example; Radio, television, computers, cell phones, fax machines, and PDA’s. In the last 30 years of the 20th century were more productive in the mobile department. More devices are things that as a busy nation we need are mobile, being that we can take them on the go as we travel or work from job sight to job sight. Lap tops, Ipad’s, PDA’s and smart phones are all on the go devices that we can use to get all the information that we need without having to turn on a television, pick a newspaper or magazine. You can get up to date information from all over the world form the bus, train, and even airplane you are traveling on. I think that one of the best inventions that we have from the 20th century is the internet. Without the internet things would not be as simple as it is today. We use the internet for everything these day. We use it for school, news, phone calls, work, conference calls that you can see the presentation being given right on your computer, the uses of the inter net are infinite. You can go green with you bank which means that you never have to have a paper sent to your home again you can be emailed what you need and you can also do this with your favorite newspaper, magazines, and even books with the…