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From Sense Networks:
CabSense shows which street corners in New York City are best for catching a taxi cab.Every street corner in the city is rated from no stars (little cab activity) to 5 stars (lots of cab activity). The rating for each corner is estimated by applying machine learning algorithms to the pick-up locations of over 90 million taxi trips. These ratings change based on the time of day, day of the week, and your current location. * Use the map view or radar view to find the best corner near you* Plan ahead with the time slider to see the best corners at a future time.* Shake 'N Hail to catch a cab