Google Maps Can Now Navigate Inside Tunnels
Google Maps is about to get better at showing directions inside tunnels. A new feature spotted by SmartDroid allows the Android version of the app to use Bluetooth beacons to track your location in areas where GPS signals typically can't reach. The Verge: These beacons transmit Bluetooth signals that give location data to your phone, according to the Google-owned Waze, which already supports the feature. The app then uses this information along with the device's mobile connectivity to "provide real-time traffic data as it would with a typical GPS connection."

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