Part 1 of Essay
It all started when Thomas Edison invented the phonograph. This opened up the idea of receiving and playing professionally produced entertainment at home. As the years went by, there have been many advances in technology and ways to transmit signals through the air waves into people's homes. After all, this is what it' ....

Part 2 of Essay
.... a durable way of transmitting information for 50 years. But with today's technology, a new standard has been in the works, HDTV. In September 1992 NBC's WRC-TV in Washington DC became the first television station in the country to send HDTV signals over the air waves. WRC- TV's general manager then stated, "With advanced digital high-definition television, viewers will experience unmatched picture quality and superior sound resolution." There are many pro's and con's regarding having HDTV as the new standard. ....