Privacy Policy

Last updated: 2026-04-28

This policy explains what data Heiso (heiso.io) collects, why, and how you can control it.

What we collect

  • Cookie / Session ID: an anonymous identifier for your browser, used to count unique visitors. We don't know who you are from this.
  • When you subscribe to Mr. Yu Answers: we collect your email (name optional).
  • When you contact us via the form: we collect what you type in.

Why we collect it

  • To analyse traffic.
  • To send new posts to subscribers.
  • To respond to inquiries.

Our commitment

We do not sell your personal data to third parties, and we do not use it for any purpose not described on this page.

Your rights

  • Unsubscribe: every email has an unsubscribe link, or visit the unsubscribe page.
  • Access, correction, or deletion: email service@heiso.io and we'll handle the request in a reasonable time.

Updates to this policy

If this policy changes materially, we'll update the "Last updated" date at the top.

Contact us

For any privacy-related questions, email service@heiso.io.