During the Vietnam, journalists (members of the media) reported graphic, realistic videos and images of the conflict, horrifying the public and sparking large protests/community action. The media broadcasted many of these protests and spread the public outcry, helping the conflict to grow in numbers.
They change our culture by causing people to become addicted to phones and other thing as well as causing us to be able to communicate/talk with other people helping 911 responders to get places quicker