Cookies are small files which Internet sites place on your computer hard disk when you visit them for the first time.
A cookie is like a key which is unique to you. Its job is to create a link between your computer and a site and to tell the site that you are a returning visitor.
Cookies can help you to be more efficient and benefit from 'memory' functions such as when a site remembers your shopping basket from a previous visit.
Cookies enable you to store your preferences, to save products and services and to customise pages.