Bookmarks Printing from Fertile Digital. Bookmarks are a hugely underrated means of advertising. By providing your target audience with something they can use, you instantly foster a sense engagement, forging a connection on a deeper level than more traditional forms of advertising: posters, flyers and the like. Even better, you can guarantee that a branded bookmark is a promotional item that will be kept and referred to time and time again – a constant presence that will ensure you’re the first company that comes to mind when potential clients are looking for the services you offer.