If I get a dumbphone, how will I cope in a smartphone world?

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I’m thinking of getting a dumbphone, because there are more and more things I don’t like about smartphones and how they work. But I’m worried about how I’ll manage. Yes, it seems silly, but I’ve grown to rely on the tech, and so many amenities of modern life depend on it as well (banking, transport, shopping, to name just a few). I’m concerned that I won’t be able to get around as easily, or find crucial information. Plus, there’s the social…