153However, since IP addresses may be used, among other things, to track an Internet user’s complete clickstream and, therefore, his or her entire online activity, that data enables a detailed profile of the user to be produced. Thus, the retention and analysis of those IP addresses which is required for such tracking constitute a serious interference with the fundamental rights of the Internet user enshrined in Articles 7 and 8 of the Charter, which may have a deterrent effect as mentioned in paragraph 118 of the present judgment.
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