If this ever happens again in the future, take a note of the cab's number and call 311 or go to http://nyc.gov/311/.
They take reports of this kind of activity very seriously and will usually prosecute the driver if you're willing to testify.
They take reports of this kind of activity very seriously and will usually prosecute the driver if you're willing to testify.
Relevant satire:
Most people aren't over $20, which is why the system is a complete failure.