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Beacons help pregnant women get seats on Korean trains
It's a perennial problem; do you give up the seat to the fifty-something year-old that just walked on the train, or will they be offended at the suggestion? Is that person pregnant and in need of respite, or just overweight? Chances are if you're having those internal discussions you could just quietly vacate your spot without a word, but a project in South Korea uses Bluetooth to make it more obvious when someone in need requires a seat.
