Privacy Policy

1. Information We Collect

We collect information that you provide directly to us, including:

• Account information (email, name, profile picture)
• Authentication data from third-party providers (Google, GitHub)
• Usage data and learning progress
• Communication preferences
• Device and browser information
• IP address and location data

2. How We Use Your Information

We use the collected information to:

• Provide and maintain our services
• Process your subscriptions and payments
• Personalize your learning experience
• Send you important updates and notifications
• Improve our services and develop new features
• Prevent fraud and abuse
• Comply with legal obligations

3. Data Storage and Security

We implement appropriate security measures to protect your personal information:

• Data is stored on secure servers located in the United States
• We use industry-standard encryption for data transmission
• Regular security audits and updates
• Access controls and authentication
• Regular backups and disaster recovery procedures

4. Third-Party Services

We use third-party services for:

• Authentication (Google, GitHub)
• Payment processing
• Analytics and performance monitoring
• Cloud storage and hosting
• Email delivery

These services have their own privacy policies and may collect information as specified in their respective privacy policies. We recommend reviewing their privacy policies for more information.

5. Data Retention

We retain your personal information for as long as necessary to provide our services and fulfill the purposes outlined in this privacy policy. We will delete or anonymize your data when it is no longer needed, or when you request deletion.

6. Your Rights

You have the right to:

• Access your personal information
• Correct inaccurate data
• Request deletion of your data
• Opt-out of marketing communications
• Export your data
• Object to processing of your data
• Withdraw consent

7. Cookies and Tracking

We use cookies and similar tracking technologies to:

• Remember your preferences
• Analyze site usage
• Improve our services
• Provide personalized content

You can control cookie preferences through your browser settings. However, disabling cookies may affect some features of our service.

8. Data Sharing and Disclosure

We may share your information with:

• Service providers who assist in our operations
• Legal authorities when required by law
• Business partners with your consent

We do not sell your personal information to third parties.

9. Data Breach Notification

In the event of a data breach that affects your personal information, we will notify you and the relevant authorities as required by law. We will take immediate steps to mitigate the breach and prevent future occurrences.

10. Children's Privacy

Our services are not intended for children under 13. We do not knowingly collect personal information from children under 13. If we learn that we have collected personal information from a child under 13, we will delete that information.

11. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have different data protection laws. We ensure appropriate safeguards are in place for such transfers.

12. GDPR and CCPA Compliance

For users in the European Union and California:

• You have additional rights under GDPR and CCPA
• We process your data based on legitimate interests or consent
• You can request information about data processing
• You have the right to data portability

13. Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the effective date. For significant changes, we will provide additional notice through email or in-app notifications.

14. Contact Us

If you have any questions about this privacy policy or our data practices, please contact us at:

zhicheng@lostineducation.com