business group. The True Black Card and True Red Card, which are privilege cards, will gradually be replaced with Black and Red TrueYou Master cards. Tanaphon Manavutiveth, director of customer happiness and relationship management at True Corp, said the company would spend Bt2.6 billion a year on its customer relationship management programme. There are 1.87 million privilege-card members among the 27 million users of True services, of which 170,000 hold Black Cards and 1.7 million Red Cards. The company plans to boost the number of Black Cards to 500,000 and Red Cards to 4 million within three years.