Le vendredi 10 juillet 2020 à 08:55 -0400, Przemek Klosowski a écrit :
> The marginal cost of a digital key has got to be smaller than the 
> marginal cost of the button

The marginal cost of a button is completely marginal, on devices that
already include other buttons, on a assembly line that already builds a
ton of such things. A physical button is a on-of, a digital key
infrastructure is years of expensive maintenance and updates to keep
going. And as you noted they have to include physical bybass for other

You’re used to computing costs as a software person, where hardware is
an additional external expense. IOT manufacturers are first and
foremost hardware people, they sell devices not bags of bits, they know
how to make hardware as cheap as possible, and how to market hardware
features so the marginal cost does not cost them a dime.

Nicolas Mailhot
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