It's a tricky issue - the issue of contact-tracing system.
How does it work? What businesses does it apply to? And how safe is the information you are handing over? Should we have one tracking app for all businesses?
Sean invites Privacy Commissioner John Edwards on to the program to clear the confusion and share his thoughts on contact-tracing systems being used in New Zealand.
If we don't have good systems which protects information, people will enter junk info and no one will check it.