by Steve Taranovich

Runners/bikers, take heart, PNI Sensor has given you an accurate way of tracking your distance more accurately than GPS. Enter SENtrace, a tracking coprocessor that allows for less use of GPS – relying instead on inertial sensor data and PNI’s tracking algorithms demands on the battery are far, far lower. SENtrace computes each location point using one tenth the power GPS uses for a comparable computation.

Full article here.