Interest-based ads are sometimes referred to as personalized or targeted ads. We show interest-based ads to display features, products, and services that might be of interest to you. In providing interest-based ads, we follow the Self-Regulatory Principles for Online Behavioral Advertising developed by the Digital Advertising Alliance (a coalition of marketing, online advertising, and consumer advocacy organizations).</p> What sort of information do we use to show interest-based ads? <p> To serve you interest-based ads, we use information such as your interactions with Amazon sites, content, or services.