The primary "innovation" of Uber is political, not technological. They've managed to circumvent labor protections and at the same time position themselves as the middleman between drivers and riders.
In another Universe, a technology company would develop software that taxi companies can use to provide the same services that Uber does. But that wouldn't be as profitable as there wouldn't be scope for labor exploitation.
In another Universe, a technology company would develop software that taxi companies can use to provide the same services that Uber does. But that wouldn't be as profitable as there wouldn't be scope for labor exploitation.