Google Display Ads are text, image, video, and rich media ads that get published on the enormous Google Display Network. The Google Display Network is the largest contextual ad network currently available, reaching 90 percent of global Internet users. Google Display Ads will appear on more than 2 million websites and 650,000 apps.
Google Display Ads are completely customizable, with the webmaster or marketer in charge of the ad format, content, imagery, budget, and where to put the ad. It allows advertisers to serve the ad based on keyword research, audience demographics, audience behavior & interests and remarketing. It is an excellent marketing tool to appear in front of the right audience at the right time for maximum conversions.