Read the short speech.

turn off your television, and talk to your family. you will be surprised at how much your siblings have to say. turn off your television, and step outside. you will be surprised at how the cool air will refresh you. turn off your television, and connect with the world around you. your efforts will be rewarded.

the author repeats the phrase "turn off your television” to

offer criticism of the audience.
share memories with the audience.
inspire the audience to take action.
give hope to the audience.