South Korea's ride-hailing service Tada, a smash hit since its launch just over a-year-ago, was cleared of transport law violations in court on Wednesday, a rare victory in a market that has been particularly unkind to ride-hailing companies. Since starting up in late 2018, Tada has won 1.7-million users as it capitalised on growing demand and the funding muscle of its Japanese-backer SoftBank-Group Corp.