This was one of the biggest inventions to hit the market. Cds became popular for music and the DVD is a video version of this disc. This invention was very popular in the United States but was not discovered in this country. The Dutch company Philips as well as Sony from Japan became working on the design of the compact disc. By the 1970’s the companies put their research together and made the first plastic disc. From that time technology have increase when these two companies decided to work together. Over the years people began to take an interest in the CD and is became one of the most popular forms of media storage and distribution.