R to @XinqiSu: The #HelloHK campaign was developed by the HK Tourism Board which conducted studies through its 16 offices around the world and took references from various research including the multi-million dollar #RelaunchHK studies the HK gov commissioned PR firm Consulum to do in yr 20/21. https://nitter.hongkongers.net/XinqiSu/status/1621060195186245632#m