MORE: -app that uses accelerometer data to detect when you (an old person) have fallen. If you don’t touch a button in 1 min cancelling emergency call, it calls your relatives who check if you’re okay, and broadcasts your gps location. ~jcole likes this one -- email me if you want to work on it! #<-> ginger.io #lowhanging #humandatamining #machinelearning  ~jcole@mit.edu