Summary

Calculations run entirely in your browser and are not sent to us. We only receive information you choose to submit through our forms. We may use cookies for preferences, analytics and advertising as described below.

Information we collect

Form submissions. When you use a contact, lead, newsletter, contest, careers or donation form, we receive the details you enter (such as name, email, and your message). Forms are delivered to us via a third-party form-processing service (FormSubmit). Local storage. Your browser stores preferences such as theme, recently used tools, puzzle streaks and consent choices; this never leaves your device. Usage data. If analytics are enabled and you consent, we collect anonymous usage statistics (pages viewed, device type, approximate region).

How we use information

To answer inquiries, deliver the newsletter, run contests and award prizes, review job applications, process pledges, and — for Get Matched requests where you give consent — share your request with up to three relevant partners so they can contact you.

Advertising and Google AdSense

Third-party vendors, including Google, may use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this and/or other sites on the Internet. You may opt out of personalized advertising by visiting Google Ads Settings or www.aboutads.info. Learn more about how Google uses information from sites that use its services.

Embedded content

Videos are embedded from YouTube in privacy-enhanced mode and load only after you press play; YouTube's privacy policy then applies.

Your choices & rights

You can choose “Essential only” in the cookie banner, clear local storage at any time, unsubscribe from emails via any message, and request access, correction or deletion of your data through our contact form. Residents of the EU/UK (GDPR), California (CCPA/CPRA), Canada (PIPEDA) and other jurisdictions may have additional rights, which we honor.

Children

This site is intended for a general audience and is not directed at children under 13. We do not knowingly collect personal information from children under 13.

Retention & security

We keep submissions only as long as needed for the purpose they were sent. The site is served over HTTPS.

Contact

Questions about privacy? Contact us.