Alienation of people by media: with the flourishing consumer mass culture where literature and books is outlawed, there are firemen who go and burn the houses with books if someone dares to keep them, there is no close relations between people, with nature and intellectual heritage is abandoned, people praise material values and are busy with meaningless and hollow talks and TV shows. Interactive TV screens of any size providing an easy entertainment and meaningless communication with pals will be available everywhere. There is an opposition that is learning book content by heart to keep it for the next generation. There is a possibility of revolution.
"In writing the short novel Fahrenheit 451 I thought I was describing a world that might evolve in four or five decades". The prediction is becoming true in the part of declining interest in reading and growing interest for TV and entertainment. He also predicted plasma TV panels, interactive social networks (chatting with pals by TV interactive TV screen), portable players and etc.
Bradbury, Ray. 1967. Fahrenheit 451. New York: Simon and Schuster.