Coin-operated karaoke machines are exploding in popularity. Seoul, South Korea -- A dollar can buy a pack of gum, a can of soda or a bag of chips. And in South Korea, it can buy an opportunity to sing ...
Teenagers with time to sort through hundreds of gold coins are making a fortune with 'coin noodling', but not everyone is impressed by the money-making craze. Loved by Generation Z, the craze involves ...
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