Identification labels for users to scan a QR code using the new app will be available in 18,000 taxis citywide. Photo: Dickson Lee Hong Kong / Health & Environment Privacy, usage issues mark lukewarm response to Hong Kong’s Covid-19 contact-tracing app ‘Leave Home Safe’ Mobile app launches on Monday, with some complaining it is not user-friendly, while bar industry largely welcomes implementation Users can scan QR code at more than 9,000 locations and on 18,000 taxis to log their movements voluntarily…

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