Insofar as the information contained on the website enables users to provide personal or business details (e-mail address, name, address) then such information is made available by users on a purely voluntary basis. The protection of information provided by users has top priority for us. Kassel Marketing GmbH stores user data solely in connection with its business aims. As such, the information stored by ourselves is used exclusively to promote services beneficial to users, for purposes of market research (anonymous, internal assessment of customer structure) or in order to tailor our services in accordance with business demands. Kassel Marketing GmbH does not make users' personal data available for use by third parties. Users who fill in a form give their consent to their data being used and stored in the manner described above. However, users have the right to request the deletion of their personal data at any time. Kassel Marketing GmbH undertakes to remove users' entire personal data from the data bank with immediate effect when requested to do so by users via telephone, fax, letter or e-mail.