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 ...

Circus Circus has expanded on its status as the only Strip casino still offering coin-operated slot machines by installing $5 coin machines to go alongside its $1 machines. The slots are a throwback ...

Grip the handle and turn the crank. Watch the roller turn. Wait for that clink, reach into the little door. Turn over the still-warm, copper-colored oval in your palm. Smile. It’s a pretty penny.

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In grocery stores, self-service coin machines—machines that count coins for consumers and offer cash in exchange—can be beneficial for the stores. But for retailers considering placing one in their ...