I personally can see it as a communication channel if you go to a large event (eg. peaceful protest), but want your phone in flight mode for a reason.
Or a concert event when you are trying to find your friend while celluar being overloaded or not present...
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When I was a younger version of myself, we always found each other, even though smart phones weren't a thing
I agree with you, but I don't think we will phase them out at thos point. I think smart phones or 'smart' anything makes people dumber...
