Save Battery by Navigating Your Walk Without GPS

Modern smartphones are packed to the brim with low-power sensors like accelerometers and gyroscopes, which means they're capable of precisely measuring almost any type of movement. So why is it that when you just want to get walking directions somewhere, your device still uses its battery-sucking GPS connection to track your progress? This question is what sparked developer Christian Henke to create a unique navigation app and submit it to Google's Android Experiments project. The end result of his work is an app that gives you walking directions without relying on GPS, instead using internal... more

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