Re: Facebook simply would not exist today if not for Bletchley Park
Not mention other countries going along the same ineluctable path of computing invention, like Germany's redoubtable Konrad Zuse.
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Came across this British computing firm ( and makers ] the other day, from a very early period.
https://en.wikipedia.org/wiki/Elliott_Brothers_(computer_company)
Of course they changed their name [ from 1780 ! ] in order to drop out of history, and sold on a few times...