What is a cookie?
A cookie is a piece of text asking permission to be placed on your computer's hard drive. Your browser adds the text in a small file. The purpose of a cookie is to help us analyze web traffic or let us know when you visit a particular site. Cookies allow a web application to respond to you as an individual. You may set your web browser to notify you of cookie placement requests or decline cookies completely.
Your web browser may have settings which will notify you of cookie placement requests or decline cookies completely. You can delete the files that contain cookies; those files are stored as part of your internet browser.