Mostly their logistical advancements. You can rate drivers, you can ask for a driver in advance, you can track the drivers location. They actively plot what par

Mostly their logistical advancements. You can rate drivers, you can ask for a driver in advance, you can track the drivers location. They actively plot what parts of town have high traffic, and at what times. This in general leads to a significantly improved experience over cabs, or other drivers. They seem to be always there when you want them, the drivers are always nice and very knowledgeable, etc..