Privacy Policy

1. Introduction

Department of Product ("we", "us", "our") operates Marcus (the "Service"), an AI prompt library designed for senior executives. This Privacy Policy explains how we collect, use, store, and protect your personal information when you access or use the Service.

By using the Service, you agree to the collection and use of information in accordance with this policy. If you do not agree, please discontinue use of the Service.

2. Who We Are

Department of Product is the data controller responsible for your personal data.

Registered address: The Bower Building, London, EC1V 9NR, United Kingdom Privacy contact: support@departmentofproduct.com Website: thinkmarcus.ai

3. Information We Collect

We may collect the following categories of personal data:

4. How We Use Your Information

We use your data to:

• Provide, maintain, and improve the Service
• Authenticate your access and manage your account
• Personalise your experience (e.g. saved prompts, preferences)
• Send service-related communications (e.g. account updates, security notices)
• Send marketing communications where you have opted in
• Analyse usage patterns to improve the prompt library and user experience
• Comply with legal obligations

5. Legal Basis for Processing

Where applicable under data protection law (e.g. UK GDPR / EU GDPR), we process your personal data on the following legal bases:

• Contract: to perform our obligations under our Terms of Service
• Legitimate interests: to improve the Service and ensure its security
• Consent: for marketing communications (you may withdraw consent at any time)
• Legal obligation: to comply with applicable laws

6. Data Sharing

We do not sell your personal data. We may share your information with:

• Service providers: third-party vendors who help us operate the Service (e.g. cloud hosting, analytics, email delivery), bound by data processing agreements
• Business transfers: in the event of a merger, acquisition, or sale of assets, your data may be transferred to the acquiring entity
• Legal requirements: where required by law, regulation, or court order

7. Data Retention

We retain your personal data for as long as your account is active or as needed to provide the Service. If you close your account, we will delete or anonymise your data within 30 days, except where we are required to retain it for legal or regulatory purposes.

8. International Data Transfers

Your data may be processed outside your country of residence, including in countries that may not provide the same level of data protection as your home country. Where this occurs, we ensure appropriate safeguards are in place, such as Standard Contractual Clauses approved by the relevant data protection authority.

9. Security

We implement industry-standard technical and organisational measures to protect your personal data against unauthorised access, loss, or disclosure. However, no method of transmission over the internet is completely secure, and we cannot guarantee absolute security.

10. Your Rights

Depending on your location, you may have the following rights regarding your personal data:

• Access: request a copy of the personal data we hold about you
• Rectification: request correction of inaccurate or incomplete data
• Erasure: request deletion of your personal data (‘right to be forgotten’)
• Restriction: request that we restrict processing of your data
• Portability: receive your data in a structured, machine-readable format
• Objection: object to processing based on legitimate interests or for direct marketing
• Withdraw consent: where processing is based on consent, you may withdraw it at any time

To exercise any of these rights, please contact us at support@departmentofproduct.com. We will respond within 30 days.

11. Cookies

We use cookies and similar tracking technologies to operate and improve the Service. Cookies may include:

• Essential cookies: required for the Service to function
• Analytics cookies: to understand how users interact with the Service
• Preference cookies: to remember your settings

You can control cookie settings through your browser. Disabling certain cookies may affect the functionality of the Service.

12. Children's Privacy

The Service is intended for business professionals and is not directed at individuals under the age of 18. We do not knowingly collect personal data from minors. If you believe we have inadvertently collected such data, please contact us and we will delete it promptly.

13. Third-Party Links

The Service may contain links to third-party websites or services. We are not responsible for the privacy practices of those third parties and encourage you to review their privacy policies.

14. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of material changes by posting the updated policy on the Service and updating the effective date. Your continued use of the Service after changes are posted constitutes your acceptance of the updated policy.

15. Contact Us

If you have any questions, concerns, or complaints about this Privacy Policy or our data practices, please contact:

Department of Product Email: support@departmentofproduct.com Address: The Bower Building, London, EC1V 9NR, United Kingdom

If you are located in the UK or EEA and are not satisfied with our response, you have the right to lodge a complaint with your local data protection authority (e.g. the UK Information Commissioner's Office at ico.org.uk).

This document is governed by the laws of England & Wales.