Advertising network from Google, designed for advertisers to help attract targeted visitors to your site. Most of the ads focus on keywords and based on pay per click advertising. Each of the advertisers participating in the auction to appear on a particular advertising platform.
Pay-per-click AdWords depends on the maximum bid proposed by the advertiser, as well as on the quality index of the ad.
Google is constantly expanding its range and advertising can be placed not only in the text, but also video files on the cards in online games, radio, etc.