probally posted before, but i decided to make it again.
Processed foods
(u have more respect for life when u have to kill your own food. Think of how many cows die each year so that you can live.)
Television
(great invention, but used the wrong way. Could be used mainly for education, news etc, but most people use it to sit on their butts all day watching comedy shows and people killing each other over stupid remarks... wait, that is the news!