Uber's app will soon begin tracking driver behaviour

The software is aimed at improving driver safety, but could raise privacy concerns

Uber Technologies Inc. has developed new technology to track when drivers of the ride-hailing app go too fast, cut corners or brake harshly by monitoring the sensors in their smartphones.

The software, part of an updated version of Uber's app for drivers that is rolling out to dozens of cities during a test phase this week, could help the company's more than one million drivers by giving them more feedback when a customer rates them poorly.

But the use of such technology could raise new concerns about driver privacy and questions about how far Uber can legally reach