Personal Identifiers.</strong> We receive personal identifiers you provide (including, for example, information such as your name, email address, mailing address, telephone number, signature, or similar identifiers) and use them to respond to and complete your requests (including providing notifications and answers related to questions you submit), communicate with you for registration, customer service, and informational purposes (including sending you confirmation emails, notices, updates, invoices, and security alerts), and communicate with you for marketing purposes (including sending you news, promotions, special offers, information, offering you other products and services that we, our affiliates, or others believe may be of interest to you). If you win a prize on the site, we may use your address for shipping purposes.