When it comes to technology, 2007 was the last big year for taxis. That year, New York City began requiring that cabs be fitted with devices so that customers could pay with credit cards and with GPS devices so that they could track their progress on touch screens in the back. (Cabbies went on strike twice before the gadgets were finally installed.) Also that year, Apple introduced the iPhone, although the cab connection was not immediately apparent.

Tags: gps, taxis