What are Cookies
A cookie is a small piece of information which a web server can store temporarily with your web browser. This is useful for having your browser remember some specific information which the web server can later retrieve. For example if you have signed up to post on a web site forum a cookie will save your login information. This means that you will not have to fill in your login information everything you view the forum, the cookie will automatically log you in and save you time and effort.