Commuters wait for a transport to leave the Woodlands Causeway across to Singapore from Johor. The TraceTogether app will work by exchanging short distance Bluetooth signals between phones to detect other participating users in close proximity of two metres. — Reuters
SINGAPORE: Singapore launched a contact-tracing smartphone app to allow authorities to identify those who have been exposed to people infected with coronavirus as part of efforts to curb the spread of the disease.
Governments around the world have turned to technology to battle the virus.
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