Hailo

NYC's Taxi and Limousine Commission approved a pilot program for apps that will allow users to request a yellow taxi ride on their smartphones rather than having to “raise [their] arms toward oncoming traffic” the old-fashioned way.
Dec 15, 2012   The Wall Street Journal
Ted Mann explores the new wave of mobile applications changing the way cabs and their customers interact, which could make the act of physically hailing a cab obsolete in as soon as five years.
Sep 25, 2012   The Wall Street Journal