ISBN.nu does not store any information about individual users, whether you register for an account or use the site as a guest. This site logs requests and uses Google Analytics to analyze traffic patterns, but this information is only analyzed in aggregate. We may provide or sell information about patterns of searches, most popular searches, or even a list of all searches ever conducted. However, this information is anonymous: it will not be associated with any browser or user. We are not currently selling or considering selling such information.

Account information is kept strictly private. Your email address, name, and bookmarks are not shared with anyone without your permission (when bookmark sharing becomes enabled at some future date). We may aggregate information, such as noting that a certain book appears in 500 bookmarks across our system, but we will never personally identify you or show your account information.

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The cookie contains (where applicable) preferences for your shipping options, a tracking code corresponding to a shopping list, or tokens that help track your own behavior for your own benefit. We note how many people use cookies, and may track usage sessions by cookie for aggregate purposes to determine the overall number of visitors and other analysis details.

When you order books, you click a link that causes you to leave isbn.nu and arrive at a bookseller's site. That bookseller may have privacy policies that differ from those of isbn.nu. The bookseller tracks all clicks from ISBN.nu to their site via an affiliate code that enables isbn.nu to receive a fee for completed sales.

We will not sell information about individual searches on isbn.nu. This policy may be updated, but it will only affect data collected after the update.

Isbn.nu may run advertising on various parts of the site for which we receive financial consideration. All advertising or sponsorship will always be clearly identified and set off. No book information of any kind is affected by these relationships: not the price, order of display, nor other details.

Specifically, for Google-served ads, the company uses a cross-domain cookie called the DoubleClick DART cookie. This lets it serve ads to you based on your behavior across many sites that you may use. However, you can opt out of using this cookie by visiting the Google ad and content network privacy policy.

If the service is sold or transferred to another firm, they will fulfill the policies expressed here for any data collected up to the point of transfer. We will also encourage them to continue any policies set for privacy for this site as part of the condition of sale or transfer.

Last updated 3/23/2009.