 4. How do we use personal information? Barnes & Noble uses your personal information across our enterprise to provide you with a superior customer experience and, as necessary, to administer our businesses. For example, we use your personal information to: Provide you with products, services and information across the Barnes & Noble enterprise, including product and subject recommendations and other information in Barnes & Noble retail stores, through emails from our businesses, and on the Barnes & Noble Websites and online interactive communities, your Devices, Digital Content, Apps and software, and display associated content and advertising; Administer our programs; Provide customer service in stores, by telephone and online; Conduct research and perform analysis in order to measure, maintain, protect, develop and improve our products and services; Administer sweepstakes, contests, promotions or surveys and provide appropriate notifications; Communicate with you about special offers, events, or new products or services that may be of interest to you; Customize and enhance the Barnes & Noble Websites and advertising; Make communications necessary to notify you regarding security, privacy, and administrative issues; and Manage our business. 