It’s a simple solution really.
Taxi cabs, especially in New York City, are a very convenient mode of transportation. Until you leave something in the taxi on your way out – at which time the veritable plethora of cabs in the city becomes a detriment.
We live in the technology age. Why not place a reader, just inside the rear doors of the cab. As passengers enter, they hold their card up to the reader, and it registers that the passenger was in this particular cab. Then if something is forgotten, or the cab driver gives a bad cab experience (intentional wrong turns to raise the fare, dangerous driving, etc), the passenger has it on record that they were in the cab, and can easily rectify the situation.
There are downsides, such as the cab that gets in an accident. Usually, passengers just walk away and don’t pay the driver. That’s reasonable. But not if you’ve sent an electronic stamp that you were in the car. But seriously, would you rather be forced to pay $5 or so after an accident, or would you rather be without your cell phone for an extended period of time?
Here’s a name for it: Taxi Tracker