Legal basis for data processing: The legal basis of the data processing for the purpose of providing services and the cross-device personalization is Art. 13 para. 1, 2 (a) CH DSG or Art. 6 para. 1 (b) EU GDPR. In so far as we use your data to improve our services, for marketing purposes or market research, the data processing is carried out on the grounds of a predominantly private or legitimate interest (application for or improvement of our services; prevention of criminal offences) and thus on the basis of Art. 13 para. 1 CH DSG or Art. 6 para. 1 (f) EU GDPR.