What are cookies?
Cookies are small pieces of text sent by your web browser by a website you visit. A cookie file is stored in your web browser and allows the Service or a third-party to recognize you and make your next visit easier and the Service more useful to you. Cookies can be "persistent" or "session" cookies.
What are your choices regarding cookies?
You can learn more about cookies here http://www.allaboutcookies.org/