In the beginning, God created Man and Man created cities. And from these cities sprang forth a service to cart Man around: the taxi. And it was good. So good that, over centuries, it barely changed. Visitors to ancient Rome could hail a cisium . In 17th-century France, they could take a fiacre. And 19th-century England had the hackney coach. Automobiles eventually replaced horse-drawn carriages, but other than that, the experience remained the same: Passengers hailed a driver who would help