With the development of modern computing, starting in the 1940s, the substitution of human abilities with technology obtained a new dimension. The focus shifted from the replacement of pure physical power to the substitution of mental faculties. Following the early 1980s personal computers started to attain widespread use in offices and quickly became indispensable tools for office workers. The development of powerful computers combined with progresses in
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User tracking is a generic term that covers all the techniques of monitoring the movements of a user on a web site. User tracking has become an essential component in online commerce, where no personal contact to customers is established, leaving companies with the predicament of not knowing who they are talking to. Some companies, such as
Whenever user tracking is performed without the explicit agreement of the user, or without laying open which data are collected and what is done with them, considerable