About this ebook
Do you know that 200 years ago, the only way that one person could send a message to another person was by letter or messenger? ItÕs hard to imagine now, with our smartphones and computers at our fingertips. From the invention of the telegraph in the 1830s all the way through to the wearable technology of the present day, this book charts the incredible history of telecommunications.
Do you know that 200 years ago, the only way that one person could send a message to another person was by letter or messenger? ItÕs hard to imagine now, with our smartphones and computers at our fingertips. From the invention of the telegraph in the 1830s all the way through to the wearable tech...
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