1. An overview of data protection
The following information will provide you with an easy to navigate overview of what will happen with your personal data when you visit this website. The term “personal data” comprises all data that can be used to personally identify you. For detailed information about the subject matter of data protection, please consult our Data Protection Declaration, which we have included beneath this copy.
Data recording on this website
Who is the responsible party for the recording of data on this website (i.e., the “controller”)?
How do we record your data?
We collect your data as a result of your sharing of your data with us. This may, for instance be information you enter into our contact form.
Other data shall be recorded by our IT systems automatically or after you consent to its recording during your website visit. This data comprises primarily technical information (e.g., web browser, operating system, or time the site was accessed). This information is recorded automatically when you access this website.
What are the purposes we use your data for?
A portion of the information is generated to guarantee the error free provision of the website. Other data may be used to analyze your user patterns.
What rights do you have as far as your information is concerned?
You have the right to receive information about the source, recipients, and purposes of your archived personal data at any time without having to pay a fee for such disclosures. You also have the right to demand that your data are rectified or eradicated. If you have consented to data processing, you have the option to revoke this consent at any time, which shall affect all future data processing. Moreover, you have the right to demand that the processing of your data be restricted under certain circumstances. Furthermore, you have the right to log a complaint with the competent supervising agency.
Please do not hesitate to contact us at any time if you have questions about this or any other data protection related issues.
Analysis tools and tools provided by third parties
There is a possibility that your browsing patterns will be statistically analyzed when your visit this website. Such analyses are performed primarily with what we refer to as analysis programs.
For detailed information about these analysis programs please consult our Data Protection Declaration below.
This website is hosted by an external service provider (host). Personal data collected on this website are stored on the servers of the host. These may include, but are not limited to, IP addresses, contact requests, metadata and communications, contract information, contact information, names, web page access, and other data generated through a web site.
The host is used for the purpose of fulfilling the contract with our potential and existing customers (Art. 6(1)(b) GDPR) and in the interest of secure, fast, and efficient provision of our online services by a professional provider (Art. 6(1)(f) GDPR).
Our host will only process your data to the extent necessary to fulfil its performance obligations and to follow our instructions with respect to such data.
We are using the following host:
We have concluded a data processing agreement (DPA) with the above-mentioned provider. This is a contract mandated by data privacy laws that guarantees that they process personal data of our website visitors only based on our instructions and in compliance with the GDPR.
3. General information and mandatory information
The operators of this website and its pages take the protection of your personal data very seriously. Hence, we handle your personal data as confidential information and in compliance with the statutory data protection regulations and this Data Protection Declaration.
Whenever you use this website, a variety of personal information will be collected. Personal data comprises data that can be used to personally identify you. This Data Protection Declaration explains which data we collect as well as the purposes we use this data for. It also explains how, and for which purpose the information is collected.
We herewith advise you that the transmission of data via the Internet (i.e., through e-mail communications) may be prone to security gaps. It is not possible to completely protect data against third-party access.
Information about the responsible party (referred to as the “controller” in the GDPR)
The data processing controller on this website is:
Christina Yuko Vogel
60329 Frankfurt am Main
Phone: +49 (0)171 52 67 560
The controller is the natural person or legal entity that single-handedly or jointly with others makes decisions as to the purposes of and resources for the processing of personal data (e.g., names, e-mail addresses, etc.).
Information on data transfer to the USA and other non-EU countries
Among other things, we use tools of companies domiciled in the United States or other from a data protection perspective non-secure non-EU countries. If these tools are active, your personal data may potentially be transferred to these non-EU countries and may be processed there. We must point out that in these countries, a data protection level that is comparable to that in the EU cannot be guaranteed. For instance, U.S. enterprises are under a mandate to release personal data to the security agencies and you as the data subject do not have any litigation options to defend yourself in court. Hence, it cannot be ruled out that U.S. agencies (e.g., the Secret Service) may process, analyze, and permanently archive your personal data for surveillance purposes. We have no control over these processing activities.
Revocation of your consent to the processing of data
A wide range of data processing transactions are possible only subject to your express consent. You can also revoke at any time any consent you have already given us. This shall be without prejudice to the lawfulness of any data collection that occurred prior to your revocation.
Right to object to the collection of data in special cases; right to object to direct advertising (Art. 21 GDPR)
IN THE EVENT THAT DATA ARE PROCESSED ON THE BASIS OF ART. 6(1)(E) OR (F) GDPR, YOU HAVE THE RIGHT TO AT ANY TIME OBJECT TO THE PROCESSING OF YOUR PERSONAL DATA BASED ON GROUNDS ARISING FROM YOUR UNIQUE SITUATION. THIS ALSO APPLIES TO ANY PROFILING BASED ON THESE PROVISIONS. TO DETERMINE THE LEGAL BASIS, ON WHICH ANY PROCESSING OF DATA IS BASED, PLEASE CONSULT THIS DATA PROTECTION DECLARATION. IF YOU LOG AN OBJECTION, WE WILL NO LONGER PROCESS YOUR AFFECTED PERSONAL DATA, UNLESS WE ARE IN A POSITION TO PRESENT COMPELLING PROTECTION WORTHY GROUNDS FOR THE PROCESSING OF YOUR DATA, THAT OUTWEIGH YOUR INTERESTS, RIGHTS AND FREEDOMS OR IF THE PURPOSE OF THE PROCESSING IS THE CLAIMING, EXERCISING OR DEFENCE OF LEGAL ENTITLEMENTS (OBJECTION PURSUANT TO ART. 21(1) GDPR).
IF YOUR PERSONAL DATA IS BEING PROCESSED IN ORDER TO ENGAGE IN DIRECT ADVERTISING, YOU HAVE THE RIGHT TO OBJECT TO THE PROCESSING OF YOUR AFFECTED PERSONAL DATA FOR THE PURPOSES OF SUCH ADVERTISING AT ANY TIME. THIS ALSO APPLIES TO PROFILING TO THE EXTENT THAT IT IS AFFILIATED WITH SUCH DIRECT ADVERTISING. IF YOU OBJECT, YOUR PERSONAL DATA WILL SUBSEQUENTLY NO LONGER BE USED FOR DIRECT ADVERTISING PURPOSES (OBJECTION PURSUANT TO ART. 21(2) GDPR).
Right to log a complaint with the competent supervisory agency
In the event of violations of the GDPR, data subjects are entitled to log a complaint with a supervisory agency, in particular in the member state where they usually maintain their domicile, place of work or at the place where the alleged violation occurred. The right to log a complaint is in effect regardless of any other administrative or court proceedings available as legal recourses.
Right to data portability
You have the right to demand that we hand over any data we automatically process on the basis of your consent or in order to fulfil a contract be handed over to you or a third party in a commonly used, machine readable format. If you should demand the direct transfer of the data to another controller, this will be done only if it is technically feasible.
SSL and/or TLS encryption
For security reasons and to protect the transmission of confidential content, such as purchase orders or inquiries you submit to us as the website operator, this website uses either an SSL or a TLS encryption program. You can recognize an encrypted connection by checking whether the address line of the browser switches from “http://” to “https://” and also by the appearance of the lock icon in the browser line.
If the SSL or TLS encryption is activated, data you transmit to us cannot be read by third parties.
Information about, rectification and eradication of data
Within the scope of the applicable statutory provisions, you have the right to at any time demand information about your archived personal data, their source and recipients as well as the purpose of the processing of your data. You may also have a right to have your data rectified or eradicated. If you have questions about this subject matter or any other questions about personal data, please do not hesitate to contact us at any time.
Right to demand processing restrictions
You have the right to demand the imposition of restrictions as far as the processing of your personal data is concerned. To do so, you may contact us at any time. The right to demand restriction of processing applies in the following cases:
- In the event that you should dispute the correctness of your data archived by us, we will usually need some time to verify this claim. During the time that this investigation is ongoing, you have the right to demand that we restrict the processing of your personal data.
- If the processing of your personal data was/is conducted in an unlawful manner, you have the option to demand the restriction of the processing of your data in lieu of demanding the eradication of this data.
- If we do not need your personal data any longer and you need it to exercise, defend or claim legal entitlements, you have the right to demand the restriction of the processing of your personal data instead of its eradication.
- If you have raised an objection pursuant to Art. 21(1) GDPR, your rights and our rights will have to be weighed against each other. As long as it has not been determined whose interests prevail, you have the right to demand a restriction of the processing of your personal data.
If you have restricted the processing of your personal data, these data – with the exception of their archiving – may be processed only subject to your consent or to claim, exercise or defend legal entitlements or to protect the rights of other natural persons or legal entities or for important public interest reasons cited by the European Union or a member state of the EU.
4. Recording of data on this website
Our websites and pages use what the industry refers to as “cookies.” Cookies are small text files that do not cause any damage to your device. They are either stored temporarily for the duration of a session (session cookies) or they are permanently archived on your device (permanent cookies). Session cookies are automatically deleted once you terminate your visit. Permanent cookies remain archived on your device until you actively delete them, or they are automatically eradicated by your web browser.
In some cases, it is possible that third-party cookies are stored on your device once you enter our site (third-party cookies). These cookies enable you or us to take advantage of certain services offered by the third party (e.g., cookies for the processing of payment services).
Cookies have a variety of functions. Many cookies are technically essential since certain website functions would not work in the absence of the cookies (e.g., the shopping cart function or the display of videos). The purpose of other cookies may be the analysis of user patterns or the display of promotional messages.
Cookies, which are required for the performance of electronic communication transactions (required cookies) or for the provision of certain functions you want to use (functional cookies, e.g., for the shopping cart function) or those that are necessary for the optimization of the website (e.g., cookies that provide measurable insights into the web audience), shall be stored on the basis of Art. 6(1)(f) GDPR, unless a different legal basis is cited. The operator of the website has a legitimate interest in the storage of cookies to ensure the technically error free and optimized provision of the operator’s services. If your consent to the storage of the cookies has been requested, the respective cookies are stored exclusively on the basis of the consent obtained (Art. 6(1)(a) GDPR); this consent may be revoked at any time.
You have the option to set up your browser in such a manner that you will be notified any time cookies are placed and to permit the acceptance of cookies only in specific cases. You may also exclude the acceptance of cookies in certain cases or in general or activate the delete function for the automatic eradication of cookies when the browser closes. If cookies are deactivated, the functions of this website may be limited.
In the event that third-party cookies are used or if cookies are used for analytical purposes, we will separately notify you in conjunction with this Data Protection Policy and, if applicable, ask for your consent.
Consent with Borlabs Cookie
Our website uses the Borlabs consent technology to obtain your consent to the storage of certain cookies in your browser or for the use of certain technologies and for their data privacy protection compliant documentation. The provider of this technology is Borlabs – Benjamin A. Bornschein, Rübenkamp 32, 22305 Hamburg, Germany (hereinafter referred to as Borlabs).
Whenever you visit our website, a Borlabs cookie will be stored in your browser, which archives any declarations or revocations of consent you have entered. These data are not shared with the provider of the Borlabs technology.
The recorded data shall remain archived until you ask us to eradicate them, delete the Borlabs cookie on your own or the purpose of storing the data no longer exists. This shall be without prejudice to any retention obligations mandated by law. To review the details of Borlabs’ data processing policies, please visit https://de.borlabs.io/kb/welche-daten-speichert-borlabs-cookie/
If you submit inquiries to us via our contact form, the information provided in the contact form as well as any contact information provided therein will be stored by us in order to handle your inquiry and in the event that we have further questions. We will not share this information without your consent.
The processing of these data is based on Art. 6(1)(b) GDPR, if your request is related to the execution of a contract or if it is necessary to carry out pre-contractual measures. In all other cases the processing is based on our legitimate interest in the effective processing of the requests addressed to us (Art. 6(1)(f) GDPR) or on your agreement (Art. 6(1)(a) GDPR) if this has been requested.
The information you have entered into the contact form shall remain with us until you ask us to eradicate the data, revoke your consent to the archiving of data or if the purpose for which the information is being archived no longer exists (e.g., after we have concluded our response to your inquiry). This shall be without prejudice to any mandatory legal provisions, in particular retention periods.
Request by e-mail, telephone, or fax
If you contact us by e-mail, telephone or fax, your request, including all resulting personal data (name, request) will be stored and processed by us for the purpose of processing your request. We do not pass these data on without your consent.
These data are processed on the basis of Art. 6(1)(b) GDPR if your inquiry is related to the fulfillment of a contract or is required for the performance of pre-contractual measures. In all other cases, the data are processed on the basis of our legitimate interest in the effective handling of inquiries submitted to us (Art. 6(1)(f) GDPR) or on the basis of your consent (Art. 6(1)(a) GDPR) if it has been obtained.
The data sent by you to us via contact requests remain with us until you request us to delete, revoke your consent to the storage or the purpose for the data storage lapses (e.g. after completion of your request). Mandatory statutory provisions – in particular statutory retention periods – remain unaffected.
You can make appointments with us on our website. We use the “Calendly” tool for booking appointments. The provider is Calendly LLC, 271 17th St NW, 10th Floor, Atlanta, Georgia 30363, USA (hereinafter “Calendly”).
The data you have entered will remain with us until you ask us to delete it, revoke your consent for storage or the purpose for which the data was stored ceases to apply. Mandatory legal provisions, in particular retention periods, remain unaffected.
The legal basis for data processing is Art. 6(1)(f) GDPR. The website operator has a justified interest in making appointments with interested parties and customers in as uncomplicated a manner as possible.
The data transfer to the USA is based on the standard contractual clauses of the European Commission. Details can be found here: https://calendly.com/pages/dpa.
We have concluded a data processing agreement (DPA) with the above-mentioned provider. This is a contract mandated by data privacy laws that guarantees that they process personal data of our website visitors only based on our instructions and in compliance with the GDPR.
5. Social media
This website uses functions of the LinkedIn network. The provider is LinkedIn Ireland Unlimited Company, Wilton Plaza, Wilton Place, Dublin 2, Ireland.
Any time you access a page of this website that contains functions of LinkedIn, a connection to LinkedIn’s servers is established. LinkedIn is notified that you have visited this website with your IP address. If you click on LinkedIn’s “Recommend” button and are logged into your LinkedIn account at the time, LinkedIn will be in a position to allocate your visit to this website to your user account. We have to point out that we as the provider of the websites do not have any knowledge of the content of the transferred data and its use by LinkedIn.
The use of the LinkedIn plug-in is based on Art. 6(1)(f) GDPR. The operator of the website has a legitimate interest in being as visible as possible on social media. If a respective declaration of consent has been obtained, the data shall be processed exclusively on the basis of Art. 6(1)(a) GDPR. This declaration of consent may be revoked at any time.
Data transmission to the US is based on the Standard Contractual Clauses (SCC) of the European Commission. Details can be found here: https://www.linkedin.com/help/linkedin/answer/62538/datenubertragung-aus-der-eu-dem-ewr-und-der-schweiz?lang=en.
For further information on this subject, please consult LinkedIn’s Data Privacy Declaration at: https://www.linkedin.com/legal/privacy-policy.
This website uses functions of the XING network. The provider is the New Work SE, Dammtorstraße 30, 20354 Hamburg, Germany.
Any time one of our sites/pages that contains functions of XING is accessed, a connection with XING’s servers is established. As far as we know, this does not result in the archiving of any personal data. In particular, the service does not store any IP addresses or analyze user patterns.
Data are stored and analyzed on the basis of Art. 6(1)(f) GDPR. The website operator has a legitimate interest in the highest possible visibility on social media. If a respective declaration of consent has been obtained, the data will be processed exclusively on the basis of Art. 6(1)(a) GDPR. Any such consent may be revoked at any time.
For more information on data protection and the XING share button please consult the Data Protection Declaration of Xing at: https://www.xing.com/app/share?op=data_protection.
6. Analysis tools and advertising
Google Tag Manager
We use the Google Tag Manager. The provider is Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland
The Google Tag Manager is a tool that allows us to integrate tracking or statistical tools and other technologies on our website. The Google Tag Manager itself does not create any user profiles, does not store cookies, and does not carry out any independent analyses. It only manages and runs the tools integrated via it. However, the Google Tag Manager does collect your IP address, which may also be transferred to Google’s parent company in the United States.
The Google Tag Manager is used on the basis of Art. 6(1)(f) GDPR. The website operator has a legitimate interest in the quick and uncomplicated integration and administration of various tools on his website. If the relevant consent has been requested, the processing is carried out exclusively on the basis of Art. 6(1)(a) GDPR; the consent can be revoked at any time.
This website uses functions of the web analysis service Google Analytics. The provider of this service is Google Ireland Limited (“Google”), Gordon House, Barrow Street, Dublin 4, Ireland.
Google Analytics enables the website operator to analyze the behavior patterns of website visitors. To that end, the website operator receives a variety of user data, such as pages accessed, time spent on the page, the utilized operating system and the user’s origin. Google may consolidate these data in a profile that is allocated to the respective user or the user’s device.
Furthermore, Google Analytics allows us to record your mouse and scroll movements and clicks, among other things. Google Analytics uses various modeling approaches to augment the collected data sets and uses machine learning technologies in data analysis.
Google Analytics uses technologies that make the recognition of the user for the purpose of analyzing the user behavior patterns (e.g., cookies or device fingerprinting). The website use information recorded by Google is, as a rule transferred to a Google server in the United States, where it is stored.
This analysis tool is used on the basis of Art. 6(1)(f) GDPR. The operator of this website has a legitimate interest in the analysis of user patterns to optimize both, the services offered online and the operator’s advertising activities. If a corresponding agreement has been requested (e.g., an agreement to the storage of cookies), the processing takes place exclusively on the basis of Art. 6(1)(a) GDPR; the agreement can be revoked at any time.
Data transmission to the US is based on the Standard Contractual Clauses (SCC) of the European Commission. Details can be found here: https://privacy.google.com/businesses/controllerterms/mccs/.
On this website, we have activated the IP anonymization function. As a result, your IP address will be abbreviated by Google within the member states of the European Union or in other states that have ratified the Convention on the European Economic Area prior to its transmission to the United States. The full IP address will be transmitted to one of Google’s servers in the United States and abbreviated there only in exceptional cases. On behalf of the operator of this website, Google shall use this information to analyze your use of this website to generate reports on website activities and to render other services to the operator of this website that are related to the use of the website and the Internet. The IP address transmitted in conjunction with Google Analytics from your browser shall not be merged with other data in Google’s possession.
You can prevent the recording and processing of your data by Google by downloading and installing the browser plugin available under the following link: https://tools.google.com/dlpage/gaoptout?hl=en.
For more information about the handling of user data by Google Analytics, please consult Google’s Data Privacy Declaration at: https://support.google.com/analytics/answer/6004245?hl=en.
Contract data processing
We have executed a contract data processing agreement with Google and are implementing the stringent provisions of the German data protection agencies to the fullest when using Google Analytics.
Demographic parameters provided by Google Analytics
This website uses the “demographic characteristics” function of Google Analytics, to be able to display to the website visitor compatible ads within the Google advertising network. This allows reports to be created that contain information about the age, gender, and interests of the website visitors. The sources of this information are interest-related advertising by Google as well as visitor data obtained from third-party providers. This data cannot be allocated to a specific individual. You have the option to deactivate this function at any time by making pertinent settings changes for advertising in your Google account or you can generally prohibit the recording of your data by Google Analytics as explained in section “Objection to the recording of data”.
Data on the user or incident level stored by Google linked to cookies, user IDs or advertising IDs (e.g., DoubleClick cookies, Android advertising ID) will be anonymized or deleted after 2 months. For details, please click the following link: https://support.google.com/analytics/answer/7667196?hl=en
The website operator uses Google Ads. Google Ads is an online promotional program of Google Ireland Limited (“Google”), Gordon House, Barrow Street, Dublin 4, Ireland.
Google Ads enables us to display ads in the Google search engine or on third-party websites, if the user enters certain search terms into Google (keyword targeting). It is also possible to place targeted ads based on the user data Google has in its possession (e.g., location data and interests; target group targeting). As the website operator, we can analyze these data quantitatively, for instance by analyzing which search terms resulted in the display of our ads and how many ads led to respective clicks.
The use of Google Ads is based on Art. 6(1)(f) GDPR. The website operator has a legitimate interest in marketing the operator’s services and products as effectively as possible.
Data transmission to the US is based on the Standard Contractual Clauses (SCC) of the European Commission. Details can be found here: https://policies.google.com/privacy/frameworks and https://privacy.google.com/businesses/controllerterms/mccs/.
This website uses Google Conversion Tracking. The provider of this service is Google Ireland Limited (“Google”), Gordon House, Barrow Street, Dublin 4, Ireland.
We use Google Conversion Tracking on the basis of Art. 6(1)(f) GDPR. The operator of the website has a legitimate interest in the analysis of the user patterns with the aim of optimizing both, the operator’s web presentation and advertising. If a respective declaration of consent was requested (e.g., concerning the storage of cookies), processing shall occur exclusively on the basis of Art. 6(1)(a) GDPR; the given consent may be revoked at any time.
For more information about Google Conversion Tracking, please review Google’s data protection policy at: https://policies.google.com/privacy?hl=en
If you would like to receive the newsletter offered on the website, we require an e-mail address from you as well as information that allows us to verify that you are the owner of the e-mail address provided and that you agree to receive the newsletter. Further data is not collected or only on a voluntary basis. For the handling of the newsletter we use newsletter service providers, which are described below.
This website uses ConvertKit to send newsletters. The provider is ConvertKit LLC, North Carolina, USA (hereinafter “ConvertKit”).
ConvertKit is a service that can be used, in particular, to organize and analyze the sending of newsletters. The data you enter to subscribe to the newsletter is stored on the servers of ConvertKit.
Data analysis by ConvertKit
With the help of ConvertKit we are able to analyze our newsletter campaigns. For example, we can see if a newsletter message was opened and which links were clicked on, if any. In this way, we can determine which links were clicked on most often.
We can also see if certain previously defined actions were performed after opening/clicking (conversion rate). For example, we can see whether you have made a purchase after clicking on the newsletter.
ConvertKit also allows us to divide newsletter recipients into different categories (“clustering”). The newsletter recipients can be divided e.g., by age, gender, or place of residence. In this way, the newsletters can be better adapted to the respective target groups. If you do not want to receive any evaluations from ConvertKit, you need to unsubscribe from the newsletter. For this purpose, we provide a link in every newsletter message.
Detailed information about the functions of ConvertKit can be found at the following link: https://convertkit.com/features/email-marketing.
The data processing is based on your consent (Art. 6(1)(a) GDPR). You can revoke this consent at any time with effect for the future.
The data transfer to the USA is based on the standard contractual clauses of the EU Commission. Details can be found here: https://convertkit.com/security.
Duration of storage
The data that you provide us with for the purpose of subscribing to the newsletter will be stored by us or the newsletter service provider until you unsubscribe from the newsletter and will be deleted from the newsletter distribution list or deleted after the newsletter has been cancelled. We reserve the right to delete email addresses within the scope of our legitimate interest under Art. 6(1)(f) GDPR. Data stored by us for other purposes remain unaffected.
After you have been removed from the newsletter distribution list, your email address may be stored by us or the newsletter service provider in a blacklist to prevent future mailings. The data from the blacklist will only be used for this purpose and will not be merged with other data. This serves both your interest and our interest in compliance with legal requirements when sending out newsletters (legitimate interest within the meaning of Art. 6(1)(f) GDPR). The storage in the blacklist is not limited in time. You can object to the storage if your interests outweigh our legitimate interest.
8. Plug-ins and Tools
Google Web Fonts (local embedding)
This website uses so-called Web Fonts provided by Google to ensure the uniform use of fonts on this site. These Google fonts are locally installed so that a connection to Google’s servers will not be established in conjunction with this application.
For more information on Google Web Fonts, please follow this link: https://developers.google.com/fonts/faq and consult Google’s Data Privacy Declaration under: https://policies.google.com/privacy?hl=en.
We use “Google reCAPTCHA” (hereinafter referred to as “reCAPTCHA”) on this website. The provider is Google Ireland Limited (“Google”), Gordon House, Barrow Street, Dublin 4, Ireland.
The purpose of reCAPTCHA is to determine whether data entered on this website (e.g., information entered into a contact form) is being provided by a human user or by an automated program. To determine this, reCAPTCHA analyzes the behavior of the website visitors based on a variety of parameters. This analysis is triggered automatically as soon as the website visitor enters the site. For this analysis, reCAPTCHA evaluates a variety of data (e.g., IP address, time the website visitor spent on the site or cursor movements initiated by the user). The data tracked during such analyses are forwarded to Google.
reCAPTCHA analyses run entirely in the background. Website visitors are not alerted that an analysis is underway.
Data are stored and analyzed on the basis of Art. 6(1)(f) GDPR. The website operator has a legitimate interest in the protection of the operator’s websites against abusive automated spying and against SPAM. If a respective declaration of consent has been obtained, the data will be processed exclusively on the basis of Art. 6(1)(a) GDPR. Any such consent may be revoked at any time.