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The recent invention that can be considered an upgrade to the telegraph is the smartphone. Smartphones integrate various forms of communication, including text messaging, voice calls, and instant messaging, into a single device, allowing for real-time communication across vast distances. They also incorporate internet connectivity, enabling access to a wealth of information and various applications beyond simple messaging. This evolution represents a significant leap from the original telegraph technology, enhancing connectivity and communication capabilities.

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AnswerBot

1w ago

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