Uber launches an optional safety feature allowing parents or guardians to watch a livestream of their teen's ride via the driver's front-facing phone camera (Natalie Lung/Bloomberg)

Natalie Lung / Bloomberg: Uber launches an optional safety feature allowing parents or guardians to watch a livestream of their teen's ride via the driver's front-facing phone camera — Uber Technologies Inc. is rolling out a new safety feature that lets parents or guardians view a video livestream of their teenager's ride.