The Main idea of the passage is;
"<span>Technology keeps on changing over time, and people need to change with it."
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It helps develop the theme because with the teacher being strict Kevin no longer tries to get answers from his father and listens to the teacher and Kevin learns from it.
The power of influence around the media organization is referred all the machinery which produces ways to keep the attention and control the people.
One of these are the pictures, which they can talk by itself.
Another one is the videos music.
A song with an evident or hide message.
unless, these three subjects mentioned can talk more than words.
