Walkie talkies were developed during the Second World War to help soldiers reach out to each other and send and receive instructions. In days when cell phones were nonexistent, walkie talkies helped in instant communication which was a boon! Even after the invention of smart phones, walkie talkies can serve great purpose in a variety of situations and fields much better than any other mode of communication. The fact that they are much faster to connect than a cell phone and that several receivers can be reached in an instant makes this device very useful in a lot of places.
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