Why can’t cellphones connect to each other directly, acting like walkie talkies, at distances similar to their ability to reach cell towers.
In: 80
in theory, sure. but you quickly run into practical issues. how does the caller know to find the callee? what if the callee isn’t in range? what if they are busy? The easiest way to solve this is to centralize the controlling functions, which is basically what the phone network does.
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