By Preetika Rana, Wall Street Journal
Uber Technologies and Lyft gave up on big plans to develop their own driverless taxis years ago. Now, they are revamping their businesses to accommodate competitors who may have figured it out.
The ride-hailing leaders are preparing to bring driverless taxis to your door with new app features that allow customers to use their phones to open trunks and honk horns. They are building infrastructure to maintain the high-tech taxis and training human support staff to handle riders without drivers.
