Hong Kong launched a campaign to promote courtesy and good service towards tourists on Monday. The Hong Kong Tourism Board’s (HKTB) “Let’s Go the Extra Mile” hospitality campaign encourages frontline staff and members of the public make a special effort with visitors. The HKTB said its new TV promotion, starring actors Louis Koo and Ng Siu-hin, shows “how we can all better demonstrate the hospitality by going the extra mile with small gestures, while highlighting the city’s professional-quality services, thus leaving a positive impression on customers.” Last month, HKTB chair Pang Yiu-kai said…