Privacy Policy

Last updated: June 5, 2026

This Privacy Policy describes how YITONGXI LLC ("PotatoPost", "we"), a Delaware limited liability company, handles personal data for potatopost.tw.

1. Information We Collect

Account & contact data — e.g. your email address when you join the waitlist or create an account.
Brand & content data — the brand materials and prompts you provide and the content you generate, to provide the Service.
Billing data — handled by our payment processor, Stripe; we do not store full card numbers.
Usage & device data — basic analytics and logs to operate and secure the Service.

2. How We Use It

To provide and improve the Service, process payments, communicate with you (including product and launch updates you signed up for), provide support, and meet legal obligations.

3. AI Processing

To generate content we send your prompts and relevant brand materials to AI model providers acting as our sub-processors. We do not sell your content.

4. Sharing & Sub-processors

We share data with service providers that help us operate, such as hosting, our database/storage provider, our payment processor (Stripe), and AI model providers — only as needed to provide the Service.

5. International Transfers

We operate from the United States and may process data in the U.S. and other countries. Where required, we use appropriate safeguards for cross-border transfers.

6. Data Retention

We keep personal data for as long as needed to provide the Service and meet legal obligations, then delete or anonymize it.

7. Your Rights

Depending on where you live, you may have rights to access, correct, delete, or export your data, and to object to or restrict certain processing. To exercise them, contact us.

8. Marketing Emails

If you join the waitlist or opt in, we will email you product and launch updates. You can unsubscribe at any time using the link in each email.

9. Security

We use reasonable technical and organizational measures to protect your data, including tenant isolation, encryption in transit, and access controls. No method is 100% secure.

10. Children

The Service is not directed to children and is not intended for anyone under the age of majority in their jurisdiction.

11. Changes

We may update this policy and will post the new version here with a revised date.

12. Contact

Privacy questions or requests: support@potatopost.tw