A unique cookie is one that started out as a common cookie,but the original site sold access to it to a third party.

Question

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A cookie can be used to track your Web activity.It can monitor and record what sites you visit,how long you stay there,what Web pages you visited,what site you came from and the next site you went to.This type of cookie is called a unique cookie.A common cookie on the other hand,is one that started out as a unique cookie,but the original site sold access to it to a third party that can then change the cookie so that the third party can track the surfer's activity across many sites.

A Unique Cookie Is One That Started Out as a Common