With driverless cars coming, catching a cab is going to be more convenient in the future. Thanks to Robot Taxi, you can summon a cab to your location without having to deal with a human driver. The car uses a camera to recognize and open its door to customers. The below video gives you a quick idea how these smart cars will work:
We are going to have to wait a few years to try robot taxis. But it is nice to see various companies working on this idea. More information is available here.