Use of User Data. We and Third-Parties may automatically collect and use User Data from Users and Visitors to determine what content is most relevant to our Users and Visitors. to send Users and Visitors first and third-party promotional marketing communications, including, but not limited to, via display advertisements. for operational and personalization purposes to give each User and Visitor a more consistent and personalized experience when interacting with us. for customer service, security, to detect fraud or illegal activities, and to enforce our other applicable policies. to prevent or investigate activity we think may be potentially illegal, unlawful or harmful.