(John Schilling) wrote:

High bandwidth and low latency they are not, but adequate for getting
out the "Execute War Plan Blue ASAP" message to people who already have
their part of War Plan Blue in sealed envelopes on-site.

Assuming the people who are sending the messages have already trained
the birds to fly to the various locations...

They are a valid backup method for some uses, but one that takes
considerable work to establish and maintain.

D.
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