[Cryptography] doorbells for Ukraine

[Richard Clayton]

In message <fabecb1d-94bb-af13-57c6-c16298695738 at gmail.com>, William
Allen Simpson <william.allen.simpson at gmail.com> writes

>Wouldn't a few (thousand) cloud connected cameras and microphones be
>able to determine paths and trajectories?

up to a point

<https://euromaidanpress.com/2022/10/26/ukrainian-crowdsourcing-app-
helps-destroy-first-russian-missile/>

-- 
richard                                                   Richard Clayton

Those who would give up essential Liberty, to purchase a little temporary 
Safety, deserve neither Liberty nor Safety. Benjamin Franklin 11 Nov 1755
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