Me, I rely on my glasses every waking moment of the day. I can barely read a book six inches from my face. Without two simple circles of glass set in plastic on my head, I almost certainly would have stumbled blindly in front of a car or a train or godknowwhats and met my gruesome end.

We don't usually think about gadgets as saving our lives, but that's probably because they're so pervasive. The gadget doesn't have to be newfangled‚ÄĒwe humans been inventing things for thousands of years after all. Has a piece of technology ever saved you or someone you know?

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