"Advantages and disadvantages of watching TV"

Have human ever lived without a TV? Of course human did. But the technology grew up very higher. Many families have a TV even if they are poor. In recent year people watch TV more and more. One of the main advantages of watching TV is that you hear the every single news which happens in the world and catch up the unlimited source of information. This is the fastest and cheapest way to grow your knowledge. What is more, watching movies on TV is less expense than going to movie theatres. You will no need to be shy in front of the people and there is  less noises beside you. Also, there are choises of watching channels. If you don't want watch a movie than you should click a button and change the channel whatever you want to watch. There is no any prohibition. However, there are some bad points too. Sometimes technology is harmful. You watch TV every single day and this make your eyesight hurt more. What is more, some television programmes are not suitable for children. There too many adult channels and it is against the children's education. So parents always need to take care for their children what their watching and how influence for them. To sum up, nowadays television is priority usage for human to walk with the world, but clicking the channels and watching TV's may could be waste of time too.