Many people have used the newspapers to know all the facts that have happened over the years in the whole world. Later, the first public televison system was invented by John Logie Baird.
Eventually, in 1948, the cable TV was invented by John Walson, the owner of a mechanism shop. Finally, digital TV was invented but it hasn't an inventor. I mean, it was the result of many efforts of many people so it hasn't and inventor.
The television was invented to make people's life easier. If you have a television, you only have to put pressure on a little button in a remote control to know what has happened over the day.
Nowadays the TV is used to see what is happening every day at many countries and places and it's really important for the society.