(Yonhap)South Korean Transportation Minister Kim Hyun-mee (back seat) takes a ride on Waygo Blue at a launch event held in Seoul, Wednesday. Waygo Blue, a cab-hailing service, is the first collaborative platform launched by Kakao with Tago Solutions, an operator of cab services, since their grand consensus earlier this month following heavy confrontation over claims of business interference. Waygo Blue aims to prevent drivers' rejection of customers based on destination, while educating drivers