Information you provide
If you email us or submit a correction, we may receive the contact details and message you choose to provide. We use that information to respond, investigate the issue, protect the site, and maintain accurate buying notes. Please do not send passwords, payment details, private keys, or other sensitive information in a correction email.
Site usage and cookies
The site may process basic technical and usage information needed for security, reliability, measurement, and performance. Microsoft Clarity may record interaction signals such as page visits, scrolling, clicks, device details, and session replays so we can identify usability problems. CJ and Abracadabra may use cookies or similar technologies for affiliate attribution after tracked links are enabled. Third-party services apply their own privacy policies and cookie controls.
Shopping-path measurement
We use a random identifier in tab session storage to count content visits, visible shopping buttons and retailer clicks. A session expires after 30 minutes of inactivity. Records include the page path, exact product and merchant, button position, site version, broad device type and referral channel. We do not send calculator answers, form values, full referring URLs or search terms to this measurement system. You can clear tab storage through your browser controls.
Affiliate and external links
When you follow a retailer link, the destination may set its own cookies or record the visit for attribution. Prices, inventory, seller information, checkout, and account handling belong to the retailer. Review the destination site's privacy policy before completing a purchase or submitting personal information.
Your choices and contact
You can use browser settings to limit cookies and can contact [email protected] with a privacy question about a message you sent us. We may update this page when the site's analytics, affiliate relationships, or legal requirements change.