What has TV brought to our lives
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Paragraph 1: a brief introduction of TV.
In 1929 John Baird opened the first TV studio and in 1930 Charles Jenkins broadcasts the first TV commercial, and since then BBC begins regular TV transmissions. We can't say that TV was invented by one single person, because many inventors contributed to the process of invention, such as Vladimir Zworykin, who invented the iconscope, which became the cornerstone for further television development. (WWW 1)
Paragraph 2: The development of it. What is it like nowadays?
When it was first invented, the quality was really bad and we can only see black and white pictures, but now it has improved so much. Families now have big screen colour TVs with surrounding stereo. And it has become a most common item in every family.
Paragraph 3: what are people's lives like before TV
Let's look back at the times when there were no TVs. How do people kill time in the evenings and weekends?..