In order to enhance usability, many sites ask your web browser to create a small text file containing a unique, anonymous bit of data, and store the file in a directory on your computer. These files are often referred to as cookies, and act as the "memory" needed to improve your experience while interacting with the web. They are the foundation of most shopping carts, remembering the items you have selected, and serve several other helpful and related purposes as well.
In most cases, our efforts to provide you with ads most suitable to your needs are built around tools provided by third parties (like Google). In an effort to make your entire internet browsing experience more consistent, some cookie information from third-party vendors may be deployed as you browse the internet within and beyond our website.