Mass communication can be diffrent things like newspapers, TV, internet and radio. Everybody likes to watch TV, that is probably why we are getting news through it. in that way they can inform many people about what is happening out in the world. The mass communication has a linear model that is set up like this:
senders - authors that writes the articles
mass media channel - a newspaper, TV channel (fox news), a book, a magazine
recievers - readers, viewers, consumers
gatekeepers - news editors, executive producers
and feedback - comments on the internet or letters to the newspaper, phone calls, E-mails.