web3Dservice.com uses third-party advertising companies to serve ads on it's pages. These third parties may collect and use information (but not your name, address, email address, or telephone number) about your visits to this and other web sites in order to show advertisements about goods and services that are of interest to you. If you would like more information about this practice and to know your choices about not having this information used by these companies, you can visit Google's Advertising and Privacy page.
If you wish to opt out of Advertising companies tracking and tailoring advertisements to your surfing patterns you may do so at Network Advertising Initiative.
Google uses the Doubleclick DART cookie to serve ads across it's Adsense network and you can get further information regarding the DART cookie at Doubleclick as well as opt out options at Google's Privacy Center
Cookies and Web Beacons