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Advertising. Advertisements, promotions, and advertising and marketing messages might appear on the Services every once in a while, unless you and your institution has a subscription based Service. Please see our privacy policy for more information.

Use of Pictures. ImageQuest&trade,  subscribers may use any image contained on the ImageQuest&trade, Internet site for non commercial, educational purposes only, and also in accordance with these Terms of use or as otherwise permitted in writing by Britannica. Educational purposes include: education, instruction, distance learning, private study, retrieving info and research.

Mobile Application Services. You can download particular cellular applications from either Britannica Internet sites or 3rd party app stores. Every one these Terms of use, including the Privacy Policy, use to the maximum extent relevant to your use of these Britannica mobile applications. Costs for our cellular applications may vary at any moment, and we don’t provide price protection or refunds in the case of a price reduction or a promotional offering.

Use your Data. Please read our privacy policy for details on how we process and use the data we collect from our Services.