Bookmark This! is a powerful tool that allow the visitors to add your site to their favorite list easily by simply clicking on a link. This great marketing technique is often overlooked by many webmasters. Research has shown that 90% online purchases are not made at the first time customers see  the products or services. They need to do some research before making their final decision. Bookmark This! will lead your potential customers back to your web site over and over before they choose another product or service.