Privacy Policy


We thank you for your interest in our website. Protecting your privacy is very important to us. The following paragraph provides detailed information about how we use your data.

Storage of access data in server log files

You can visit our webpages without disclosing any personal information. We only store access data in so-called server log files, such as the name of the requested file, the date and time of access, volume of data transferred and the requesting provider. This data is used solely to ensure the trouble-free operation of the site and to improve our offers, and cannot be traced back to you.

Data collection and use for contract execution and when opening an account

We collect personally identifiable information when you provide it as part of your premium membership, after contact with us (e.g. via contact form or e-mail) or when opening a customer account voluntarily. The type of data that is collected can be seen from the respective input forms. We use the data that you have provided to process contracts and to handle your requests. After completion of the contract or deletion of your customer account, your data will be blocked for further use and deleted after the mandatory storage periods defined in tax and commercial legislation, unless you have given your express consent for the further use of your data, or unless we have reserved the right to a more extensive use of the data, which is legally permissible and about which we inform you below. Deletion of your customer account is possible and can be carried out at any time either by sending a message using one of the contact methods given below or by using the feature designed for this in your customer account.

Data dissemination for contract performance

In order to handle payment, we share the payment details necessary for this with the credit institution responsible for payment and, where required, with the payment service provider authorised by us or the payment provider you have chosen when you placed your order.

Data use in signing up for e-mail newsletters

If you sign up to our newsletter, we use the data that is necessary, or separately provided by you, to send you our e-mail newsletter. You can unsubscribe from the newsletter at any time and this can be done either by a message to the contact point described below, or via a link provided for this in the newsletter.

Data use for e-mail advertising without registration for the newsletter and your right of cancellation.

When we get your e-mail address in connection with the sale of goods or services and you have not opted out of this, we reserve the right to send you regularly offers for products that are similar to those already purchased, via email. You can always opt out of this use of your e-mail address by an email to the contact point described below or via a link provided in the advertising mail, without incurring costs other than transmission costs at the basic rates.

Data use for postal advertising and your right to opt out.

In addition, we reserve the right to store your first and last name, postal address and - if we have received this additional information as part of the contractual relationship with you - your title, academic degree, year of birth and professional title, sector description or business name in summarised lists and to use them for our own promotional purposes, such as the sending of interesting offers and information about our products by post. You can object to the storage and use of your data for these purposes at any time by sending us a message using one of the contact options given below.

Use of cookies

In order to make your visit to our website more attractive, and to enable you to use certain functions, we use so-called cookies on certain pages. These are small text files that are stored on your computer. Some of the cookies we use are deleted after the browser session, that is, after you close your browser (so-called session cookies). Other cookies remain on your computer and enable us to recognize your browser on your next visit (persistent cookies). You can set your browser so that you are informed about the use of cookies and decide individually on whether to accept them or to deactivate acceptance of cookies in certain cases or completely. If cookies are not accepted, our site may have limited functionality.

Use of Google Analytics for web analytics

This website uses Google Analytics, a web analytics service provided by Google Inc. (Google). Google Analytics uses "cookies", text files that are stored on your computer to help analyse your use of the website. The information generated by the cookie about your use of this website is generally transmitted to and stored in a Google server in the USA. If IP anonymisation is activated on this website, your IP address will, however, first be truncated by Google within the member states of the European Union or in other signatory states party to the Agreement on the European Economic Area. Only in exceptional cases, is a complete IP address transmitted to a Google server in the USA and shortened there. IP anonymisation is active on this website. On behalf of the operator of this website, Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity for the website operator and providing other services relating to website activity and internet usage. The IP address transmitted by your browser in the context of Google Analytics will not be associated with any other data held by Google. You can prevent storage of these cookies by selecting the appropriate settings in your browser software. However, we wish to point out that in this case, you may not be able to use the full functionality of this website. You can also prevent the data generated by the cookie about your use of the website (incl. your IP address) being sent to Google and the processing of these data by Google, by downloading and installing the browser plugin available at the following link : http: // hl = en
As an alternative to the browser plug-in, you can click this link in order to opt-out from being tracked by Google Analytics within this website in the future. This stores an opt-out cookie on your device. If you ever delete your cookies, you will need to click on the link again.

System emails, rating reminders and similar offers sent by email

Your e-mail address is used by us exclusively for system updates (e.g. confirmation e-mails) and - if you have not opted out - for mails to evaluate our service and for mails with Paperball offers for similar services. You may opt out of these commercial uses of your e-mail address at any time by just sending an ordinary e-mail.

Right to Information and Contact Point

You have a right to free information about the data relating to you that is stored by us, as well as, if need be, the right to correct, block or delete this data. If you have any questions regarding the collection, processing or use of your personal data, or if you wish to inquire about, correct, block or delete data or revoke a consent, or opt out of a particular use of your data, please contact us directly using the contact details in our legal notice.

Use of Facebook, Google+, Twitter, Pinterest, LinkedIn, XING and Instagram Plugins

On our site uses so-called Social Plugins ("Plugins") for the Facebook and Google+ social networks, the Twitter micro-blogging service and Instagram. These services are offered by the companies Facebook Inc., Google Inc., Twitter Inc. and Instagram LLC. ("Providers"). Google+ is operated by Google Inc., 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA ("Google"). You can find an overview of the plug-ins from Google and their appearance here:
Twitter is operated by Twitter Inc., 1355 Market St, Suite 900, San Francisco, CA 94103, USA ("Twitter").

You can find an overview of the Twitter buttons and their appearance here:
Instagram is operated by Instagram LLC., 1601 Willow Road, Menlo Park, CA 94025, USA ("Instagram").
You can find an overview about the Instagram buttons and their appearance here:
You can find an overview of the Pinterest buttons and their appearance here:
When you visit a page of our website that contains a social plugin, your browser makes a direct connection to the servers of Facebook, Google, Twitter, Pinterest or Instagram. The content of the plugin is transmitted by the provider directly to your browser and integrated into the webpage. By integrating the plugin, the provider get the information that your browser has accessed the corresponding page of our website, even if you do not have a profile with the relevant supplier or are not currently logged in. This information (including your IP address) will be transmitted from your browser directly to a server of the provider in the US and stored there. If you are logged in to one of the services, the providers can directly associate the visit to our site with your profile on Facebook, Google+, Twitter or Instagram. When you interact with the plugins, for example by pressing the "Like", the "+1", the "Tweet", the "Pin" or the "Instagram" button, the corresponding information is also transmitted directly to a server of the provider and stored there. The information will also be published on the social network or to your Twitter account and will be displayed there to your contacts. For the purpose and scope of data collection and further processing and use of data by the providers as well as your rights and settings options for protecting your privacy, please see the privacy policies of the providers.

Privacy policy of Facebook:
Privacy policy of Google: +1button.html
Privacy policy of Twitter:
Privacy policy of Pinterest:
Privacy policy of Linkedin:
Privacy policy of XING:
Privacy policy of Instagram
If you do not want Google, Facebook, Twitter, or Instagram to associate the data collected from our website directly with your profile in the respective social network, you must log out of the respective network before visiting our website. You can also completely block the loading of plugins with add-ons for your browser, e.g. the script blocker "NoScript" (