Comments by "John Brereton" (@johnbrereton5229) on "How texts and WhatsApp messages both rely upon a system devised in 18th century England" video.

  1. @@ozibits3444 The British created grease ??? 🤣🤣🤣 I think you mean Greece ! Which is one of the oldest civilisations in the world and long before the British.
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  2. There is evidence that the ancient Greeks used semaphore wayback in 431 BC and there is also evidence that the Royal Navy used semaphore in the 17th century too.
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