The humble QR code gets a virus tracking role

Yes, we’re still talking contact-tracing apps.

Not Australia’s COVIDSafe app, but its new cousin over the ditch, called NZ COVID Tracer, which is taking a different approach to monitoring our unknown acquaintances.

Australia’s app, like the Singaporean app TraceTogether on which it was based, records Bluetooth ‘handshakes’ between phones running the same app that come within 1.5m or so of one another.

The owner of the