Cookies are small bits of information that can be set in a special file in the preferences folder of your web browser. Cookies can be used to track your activity on a site or to identify your 'session' at a particular web browser. Cookies are not good or bad by themselves. Cookies are used on your behalf to do lots of things on the worldwide web.
Shopping is a prime example.
A cookie is often necessary to identify your shopping cart. That way, when you add something to your cart, you find everything that should be in your cart, not just the last item you added. In many many shopping cart implementations, cookies are necessary for that exact reason. You web browser needs to be configured to accept cookies in some fashion for you to take advantage of the convenience of shopping at those online stores. All rights reserved.