I heard about a known electronic cigarette brand that plans to do this with their devices. The future where all our habits will end up being tracked is close.
It's not even close it's already here.
Any your smartphone could be located in a city with 20-50m accuracy(5G/LTE) including your indoor height location. Plus add to this your frequent locations, your calls and internet activities, spendings(if it shares with your cellular operator) - and here you are.
And we have a smartphone in every pocket.
This market is big and each of the producers including fridges wants to bite off a piece of the pie.