This site sets one cookie of its own, and only for visitors who arrive through one of our advertising links.
What the site uses
The site is static. Its search runs in your browser and stores nothing. Visits are measured with PostHog in its cookieless mode, which sets no cookies and saves nothing on your device; the privacy page explains what it records.
vs is set for 24 hours when you arrive through one of our advertising links. It holds only the value 1, no identifier, and lets our visit statistics count those visits separately. No other visitor gets it. If your browser remembers a setting for this site — for instance that you collapsed a table of contents — that is local to your browser and is never sent to us.
Third parties
When you follow a link to Amazon.com, Amazon’s own cookies and policies apply on Amazon’s site, not ours.
Changes
If we ever add a cookie-setting feature, this page will say so before it is switched on, and you will be asked for consent where the law requires it.