Meet Emily, the robot lifeguard. How long before we see her on New Zealand beaches?

Machines have been replacing people for years - but could a robot really replace a lifeguard? Spencer Kelly went to Zuma Beach in Malibu, California to meet Emily - a robot lifeguard.
And he put Emily to the test too. Will she be able to rescue Spencer alone in the ocean and all at sea? To watch the video, click here.