Riding in a yellow taxi used to be a miserable experience, which helps explain why Uber and Lyft were able to swoop in and so thoroughly disrupt the industry. Fed up with unreliable and dirty taxi rides, passengers migrated en masse to ride-hail apps that promised cleaner rides, friendlier drivers, and seamless payments. Taxi operators tried to stave off the bleeding by rolling out their own apps — but most were just pale copies of Uber. Now, the traditional taxi industry is launching a new counter-offensive against the ride-hail menace: gadgets.