TechnologyPossible action follows Samsung unions winning bumper bonuses for employeesKakaoTalk is South Korea’s most-used instant messaging service. © Getty ImagesSTEVEN BOROWIECMay 29, 2026 13:46 JSTSEOUL -- Management at Kakao Corp., a major South Korean technology firm, is locked in an escalating dispute with its labor union over employee demands for a larger share of profits, reflecting a growing push by workers in the country for structural changes to compensation.