New tricks will enable a life-logging app called Saga to figure out not only where you are, but what you're doing. Having mobile devices closely monitoring our behavior could make them more useful, and open up new business opportunities.
Many of us already record the places we go and things we do by using our smartphone to diligently snap photos and videos, and to update social media accounts.
A company called ARO is building technology that automatically collects a more comprehensive, automatic record of your life. ARO is behind an app called Saga that automatically records every place that a person goes.
Now ARO's engineers are testing ways to use the barometer, cameras, and microphones in a device, along with a phone's location sensors, to figure out where someone is and what they are up to. That approach should debut in the Saga app in late summer or early fall.
http://www.technologyreview.com/news/516566/using-a-smartphones-eyes-and-ears-to-log-your-every-move/
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