As part of the registration process, we process your email address to inform you by email about our products, services, events and promotions.</p> <p>In addition, as part of our newsletter or marketing communications tracking, we process data at the time you opened the respective email as well as on your other interactions with the content, e.g. clicks on further links or the percentage at which you read the email. We process this data to check the effectiveness of our marketing communication and to optimize our relevant content.