Privacy Policy
Last updated: January 2026
What We Collect
When you use Bayesian Truth Serum, we collect only the information you provide directly:
- Survey questions and answer options you create
- Your name when responding to a survey
- Your answer and predictions when responding
How We Use It
Your data is used solely to calculate BTS scores and display survey results. We do not sell, share, or use your data for any other purpose.
Data Retention
All survey data is automatically deleted after 30 days. We do not retain backups of deleted data.
Cookies
We do not use cookies or tracking technologies. We do not use analytics services.
Third Parties
We use Vercel for hosting and Upstash for data storage. If you donate, payment is processed by Stripe under their privacy policy.
Contact
Questions about this policy? Reach out via the project's GitHub repository.