We make video algorithm walkthroughs showing what the computer does on each line of code, based on the LeetCode coding challenges.

Privacy Policy

Last Updated: 2025-03-21

This Privacy Policy describes how we collect, use, and protect the personal information you provide to us when you sign up for and receive our newsletter.

1. Information We Collect

Personal Information: The primary information we collect is your email address. We may also collect your name or other optional details if you choose to provide them.
Non-Personal Information: We may automatically collect certain non-personal data, such as technical information about your device, browser type, or usage patterns, to help us improve the newsletter experience.

2. How We Use Your Information

Newsletter Content: We use your email address to send you LeetCode problems, solutions, strategies, and other tips related to coding interviews, algorithms, and data structures.
Promotional Material: We may also send you information regarding future products and services from LeetKey or cross-promotions with other brands.
Improving Our Services: Non-personal information may be used to analyze engagement and improve our newsletter and related offerings.
Legal Obligations: We may disclose personal information if required to do so by law or if we believe such disclosure is necessary to protect our rights or comply with a legal obligation.

3. Third-Party Services and Cross-Promotions

Service Providers: We may use third-party service providers (e.g., email marketing platforms) to manage and deliver our newsletter. These providers have access to your personal information only to the extent needed to perform their functions, and they are obligated to maintain confidentiality.
Cross-Promotions: We may include promotional messages from other brands or partners in our newsletter. However, we do not sell, rent, or share your personal information (such as your email address) with these third parties for their independent marketing activities.

4. Your Choices

Opt-Out/Unsubscribe: You can unsubscribe from our newsletter at any time by clicking the “unsubscribe” link in the email or by contacting us directly at[email protected]. Once you opt out, we will remove your email address from our active mailing list.
Access and Correction: If you wish to review or correct your personal information, please contact us at[email protected].

5. Data Security

We take reasonable precautions to protect your personal information from unauthorized access, disclosure, alteration, or destruction. However, no data transmission over the internet can be guaranteed to be 100% secure. We encourage you to take steps to safeguard your own data (e.g., using strong passwords and keeping them confidential).

6. Children’s Privacy

Our newsletter and related services are not targeted to children under the age of 13 (or the relevant age of majority in your jurisdiction). We do not knowingly collect personal information from children.

7. Changes to This Privacy Policy

We may update or modify this Privacy Policy at our discretion. If we make significant changes, we will notify subscribers via email or by posting a notice on our website. Your continued use of our newsletter after any changes indicates your acceptance of the updated policy.

8. Contact Us

If you have any questions or concerns regarding this Privacy Policy, please contact us at:[email protected]

By subscribing to the LeetKey Newsletter, you acknowledge that you have read and understand this Privacy Policy and agree to its terms.