The session cookie
Name: `account`. Set when you open a sign-in link, HttpOnly (no script on the page can read it), SameSite=Lax, Secure on the live site, expires after thirty days. It holds a random session id, not your email address. Signing out deletes it; so does the browser when it expires. Without it the site works fully as a visitor — the free tools, the guides and the funnel need no cookie.
What is kept in the browser instead
The /start/ funnel keeps your answers in localStorage under one key (`ebookgen:start`) so a closed tab does not lose the brief; it is on this device only, never sent anywhere by itself, and cleared when the outline is made or when you choose "Start a new one". Your books themselves are not kept in the browser: they are saved to your account so they open on another device.
The Meta Pixel
Set by Meta Platforms, only on the public pages and the /start/ funnel, and only while an advertising campaign of ours is running. Cookies: `_fbp` (a browser id, 90 days) and, when you arrive from a Meta ad, `_fbc` (the click id, 90 days). What it reports to Meta: the page viewed, and three events from the funnel — an outline requested, a checkout opened, a payment completed, with the plan price. It does not receive your brief, your chapters or your books. Meta may match these events to a Facebook or Instagram account you are signed into; how Meta uses that is set out in its own data policy, and you can turn off ad measurement in your Meta ad settings. The studio itself (/app/) never loads the pixel. If you would rather not be measured at all, a content blocker that stops connect.facebook.net does exactly that and the site works unchanged.
What is not here
No analytics suite, no A/B testing cookies, no consent banner. We advertise only in the United States, where no banner is required; if we ever advertise where one is, the banner comes before the pixel does.
Common questions
Straight answers
Do I need to accept cookies?+
No, and the site does not ask. The one cookie of our own is strictly necessary for sign-in and is set only by the act of signing in; the Meta Pixel is measurement, not a condition of anything.
Can I use the site with cookies blocked?+
Everything except signing in. The tools, the guides and the funnel up to the email step need no cookie; opening a sign-in link needs the browser to accept the one session cookie. Blocking Meta's cookies changes nothing you can see.
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