Covert Uber feature deceives officials in cities where it's banned

Uber isn’t always welcome in the cities where it operates. On more than one occasion, the ride-hailing company launched in a new locale only to have authorities say no way.Well, Uber has a workaround for that pesky problem. It’s a secretive tool called “Greyball” that Uber has used since 2014 to thwart authorities in cities where the service isn’t yet legal but drivers are still picking up rides.Greyball collects in-app data to identify and target certain individual