As Hong Kong marks the 29th anniversary of its return to Chinese rule on July 1, the South China Morning Post talks to the city’s senior officials about the administration’s achievements so far and what may lie ahead. Hong Kong and mainland China are expected to begin sharing cross-border data within the year, when more companies will start operating in the Hetao innovation hub, the tech minister has revealed. In a wide-ranging interview with the South China Morning Post, Secretary for...