A young woman with brown hair in a business suit talks on her cell phone
using a Bluetooth headset. The headset frees up the user's hands,
so she can type at her computer, file papers, or do other tasks that
require the use of her hands.
The opt-in app would use Bluetooth to record when people come in contact with someone with the coronavirus and then let them know to self-isolate.
Katie Collins. CNET. Tuesday, 31 Mar 2020 19:18:00 +0000.