Uber software tracks drivers for high speed, sudden stops

SAN FRANCISCO - Using smartphone sensors to peek over its drivers' shoulders, Uber is promising to keep a closer eye on their behavior - while discouraging speeding or slamming on the brakes.The global ride-hailing company on Wednesday announced an extensive test of new software that aims to increase safety by analyzing data from individual drivers and sending them daily reports about things like sudden acceleration, braking and whether they're holding their phones when they drive.Trucking compa