How does a magazine make money

Magazines contain news and pictures from the world. royalty, entertainment films and music fashion trends and videos health and beauty and many more. Publishers of magazines earn money from advertisements, subscriptions and the sales generated form newsstands. Publications such as " 'Vanity Fair" and "People"have loyal readers because they listen to the wants of their audience. Having a good product created their niche in the market.These magazines often tell the same story, but they are written in their distinct vernacular, so their readers believes they have insight that the Internet, or others are not be privy to.
The Internet has hindered magazine sales, but for the bigger names, the information highway has led to very lucrative opportunities. Most print publications also have a website that works in conjunction with their magazine to offer incentives for purchasing a subscription.

My magazine documential 
 my documential is aimed at teenageers. 
i want to question them asking what they buy more 
book or magazines.