We collect user information for personalized services and improved user experience. Data is collected to provide personalized courses, send updates, and enhance user experience. Users can opt out of promotional emails or newsletters. Armband does not share user data with third parties without explicit consent. User data is retained as long as necessary. We implement industry-standard security measures to protect user data. We may use cookies and tracking technologies to enhance user experience. Armband does not provide third parties access to user data without explicit consent.