Did you know that your iPhone may be able to inform you if you’ve been exposed to COVID-19? With the contact tracing API, Apple has been working with public health authorities in creating services and apps that can alert users if they’ve been in contact with a COVID infected person. Of course not all regions support the effort yet (and most states and localities do not), but over time support by health authorities is likely to improve.

Earlier this year, Apple introduced exposure notifications for its iPhones and iPads to combat COVID-19. It was first…