When connecting to Yahoo!7 using a mobile device that provides Internet access, if the mobile device service provider uniquely identifies the device, Yahoo!7 will receive this information. Yahoo!7 may use this unique mobile device identification information to offer extended services and/or functionality. Certain Yahoo!7 services may require our collection of the phone number for your device. We may associate that phone number to the mobile device identification information; however we will not use that number for telemarketing.