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1. The functions of television are to inform, educate and entertain.

2. There are a lot of educational programmes and even more entertaining shows on TV.

3. Television can be a very powerful and effective learning tool for children if used wisely.

4. Daily watching TV for long periods of time can lead to problems with health.

5. Television is used to influence public opinion.

6. Our views are shaped by what we see on TV.

7. 40 years ago if people wanted to watch their favourite TV show, they had to plan their activities so that they could be home by the time of the show.

8. 30 years ago programmable video recorders were invented and people became less dependent on TV schedules.

9. Now television service providers offer video on demand, a set of programs that can be watched at any time.

10. Nowadays viewers simultaneously watch programs on TV sets and interact with online social networks via their mobile devices.

11. When TV was invented, people thought it would replace all other media - newspapers, books, the radio, etc., but it has never happened.