New opportunities for online advertisers arise with the possibility of one-to-one Web applications. Software agents for example promise to "register, recognize and manage end-user profiles; create personalized communities on-line; deliver personalized content to end-users and serve highly targeted advertisements". The probably ultimate tool for advertisers. Although not yet widely used, companies like
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In data mining, data are analysed for relationships among them that have not yet been detected. This is a process used in scientific research as well as in marketing and administration. Through data mining, new surplus data can be generated out of a given quantity of data.
A good general introduction to data mining and further links can be found at the