The Government Covid 19 tracer app saw a huge rise in users during Aotearoa's second wave of the coronavirus, but how capable is the nationwide tracing and testing system is if there is another outbreak of community transmission.
And what's happening with the blue tooth testing trials?
For an update on digital tracing Karyn is joined by Dr Andrew Chen from the University of Auckland-based Koi Tū: Centre for Informed Futures.