For 35 years, John Shannon of West St. Paul has made a living as a cab driver. But the last few years have been hard. Growing competition from ride sharing services is threatening the industry's survival.
Above: A Hailo car.
Image Credit: Hailo
App-enabled cab company Hailo today filed a lawsuit against larger competitor Uber alleging that Uber infringed on its 1999 patent of an "automated vehicle dispatch...