The e-privacy directive and the draft e-privacy regulation prescribe the rules internet sites have to follow in placing cookies. One of the main differences in opinion between the European Parliament and the Council, even within the Council was whether sites can place cookies based on legitimate interest. It is generally accepted that the e-privacy rules should not be softer than the GDPR requirements. Many data protection experts believe that placing information on the terminal equipment of the user is so intrusive, that it should not be justified by legitimate interest. On the other hand, in case of processing of personal data based on legitimate interest, the user has the right to object - but only based on his/her particular situation. Cookies sometimes are absolutely necessary to provide the on line service. Most of these, maybe all, do not have to be kept after the session is closed (for example those which indicate that the user has been authenticated, which serve tha...