Wearable data: value per day

$1.00$0.10 to $1.67

USD per day

How it is computed
The lowest, middle and highest prices for one day of wearable data: what buyers paid or asked for it, and what research paid people for it directly. Only prices per day count here; a price per person or per dataset is evidence about the market, not a unit price.
Strength
Derived: arithmetic on disclosed figures

The evidence (3)