Staff in Japan of ride-hailing company Uber Technologies Inc.'s food delivery service formed a labor union Thursday to negotiate contract terms and seek improved working conditions.Uber and ride-hailing rival Lyft Inc. have faced criticism for not providing their contract workers, known as "platformers," with insurance for accident compensation and other benefits enjoyed by regular workers."We would like to improve the working environment for Uber Eats delivery staff through negotiations," Tomio Maeba, the 29-year-old chairman of the union, said at a press conference in Tokyo attended by a …READ FULL ARTICLE