When you browse the Internet, visit a commercial website, order products online and take advantage of a promotional offer, you'll be leaving your personal information on your computer in the form of a cookie. Next time you visit the page, the information that was stored and purchasing information will be extracted from the cookie. If you share your computer, this means that you'll need to delete your cookies each time you end your web browsing.
CookieSwap 0.5 for Firefox is an add-on that will enable you to swap between different cookie configurations when you use Firefox. This could be useful for setting up various aliases for ordering from a particular online store. Perhaps to use a coupon more than once.
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