Google advertising is probably the most direct, most effective, of all the channels in which to market your business online
Google Display Network is a collection of websites that show AdWords ads and can help you show your message to more customers.
These websites can be specific Google websites like Google Finance, Gmail, Blogger, and YouTube or Google Partner websites. This network also includes mobile sites and apps.
From millions of websites, news pages, and blogs to Google websites including Gmail and YouTube, the Display Network can help you show your message to more customers.