> Industrial News > News   Sprint to Offer Loopt's 'Friend Finding' Service   Sprint Nextel Corp. announced its launch of Loopt Inc.'s "friend finding" service, demonstrating large cellphone operators' increasing interest in location-based mobile services. The service tracks phones using the Global Positioning System and other network technology, updating users' locations every 15 minutes. To address privacy concerns, users must grant permission to others to track their whereabouts and can choose at any time to stop broadcasting their location. Mobile-navigation company, TeleNav Inc. recently launched a new version of its personal-navigation service that allows users to send a map of and directions to their location to other cellphone users whether or not they use TeleNav.   Time:2007-08-01 Source:NaviForum Shanghai News Center Relative