Passive Collection:</strong> When you use the Service, some information is also automatically collected. For example, we may automatically collect certain information such as your Internet Protocol (IP) address, your unique device identifier (UDID), your mobile number, your device model and name, your operating system, your browser type, your preferred language, and your activity on the Service. We may also automatically collect certain logistical information in server logs, including information about how you use various features of our service and information about the number, frequency and length of each session.