Like in the Hop o’ My Thumb fairy tale each web surfer leaves a small imprint when visiting the sites. These precious signs tell of the internauts’ interests and preferences and describe their profiles.
The leading web players (Yahoo, Google, Microsoft, AOL and Myspace) collect 226 billion pieces of personal data every month.
The data is used to develop highly pinpointed advertising campaigns, and the web is now becoming an indispensible marketing tool for the targeted products.
