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You have the right at any time to request, free of charge, information about the personal data we hold about you, as well as about the source, recipients, and purposes of the data collection and processing. In addition, you have the right to request the correction, blocking, or deletion of your data. Exceptions apply to data that must be retained due to legal requirements or that is necessary for proper business operations. To ensure that data can be restricted at any time, it is stored in a restriction file for auditing purposes. If no legal retention obligation applies, we will delete your data upon your request. If a retention obligation does apply, we will block your data. For questions or comments regarding the correction, blocking, or deletion of personal data, please contact our Data Protection Officer using the contact information provided in this privacy policy or the address listed in the legal notice.

If you wish to use the paid services on our website, we may ask you for additional information for billing and security purposes. This typically includes your name, a valid email address, and—depending on the situation—your mailing address, phone number, and other relevant information. We may also need information to verify the details you provide, such as proof that you are the owner of the email address you provided. For legal reasons, we must be able to confirm that you actually wish to use the services offered and that we can bill you correctly. To ensure the security of your data during payments, we use the SSL encryption standard, which can be recognized by the prefix “https://” in your browser’s address bar.

Server log files contain anonymized data that is collected when you visit our website. Although this information does not identify you personally, it is technically necessary for delivering and displaying our content. In addition, the data is used for statistical purposes and to continuously optimize our content. The typical data included in log files includes the date and time of access, the amount of data transferred, the browser used (including version), the operating system, your service provider’s domain name, the referring page (referrer URL), and your IP address. Log files also enable a thorough investigation in the event of suspected unauthorized use of our website.

We use Google AdSense advertisements on our website. Google AdSense is a remarketing feature provided by Google Inc. that allows us to display tailored, interest-based advertisements to our site visitors. This process involves the use of cookies. These text files, which are stored on your computer, generate information that enables you to be recognized as a visitor—for instance, through the identification of your IP address. 'Web beacons' are also used; these are invisible graphic images designed to analyze visitor traffic on a website. Google transmits the aforementioned information to its servers in the US. In this context, Google states that it does not store personal data and does not combine IP addresses with other Google services. However, this does not prevent Google Inc. from passing this information on to third parties. You have the option to disable this remarketing feature. You can adjust the necessary settings at the following website: http://www.google.com/settings/ads. You can also prevent the storage of cookies via the page http://www.networkadvertising.org/managing/opt_out.asp. Additionally, you can achieve the same result by adjusting your browser settings; instructions for doing so can be found in your browser's help function. Please note that the display and functionality of our website may be limited if cookies are disabled. By using our website, you consent to Google collecting and processing the aforementioned data for remarketing purposes in the manner described above.

We use Google AdWords, an online advertising program from Google Inc., on our website. This program uses conversion tracking. With this tool, Google AdWords places a cookie on your computer when you arrive at our website via a Google ad. This cookie expires after 30 days and is not used for personal identification. If you visit our website while the cookie is still active, both we and Google can see that you clicked on the relevant ad and were redirected to our site. Each Google AdWords customer is assigned a unique cookie; this prevents cookies from being tracked across the websites of different AdWords customers. Data collected via conversion cookies is used to compile conversion statistics for AdWords customers. As a customer, we learn the total number of users who responded to our ad and were subsequently redirected to a page equipped with a conversion tracking tag. During this process, we do not receive any information that can be used to personally identify you as a user. If you wish to opt out of this tracking process, you can disable the Google conversion tracking cookie through your web browser settings. Please consult your browser’s help function for more information. For more details about Google’s privacy policy, visit http://www.google.de/policies/privacy/.

We also integrate features from the Instagram online service into our website. The provider of these features is Instagram Inc., located at 1601 Willow Road, Menlo Park, CA 94025, USA. When you visit our pages, you can use the Instagram button to link to your Instagram account, provided you are logged in to Instagram. In this way, Instagram receives information about your visit to our website and can link this visit to your Instagram profile. We have no knowledge of the content of the information transmitted or how it is used by Instagram. For more information about Instagram’s collection and use of data, please see Instagram’s privacy policy at http://instagram.com/about/legal/privacy/.