As if the Kingdom of Bhutan couldn't get any cooler!
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I remember an advertising gimmick in the 90's, plastic ribbons with tiny ridges that you attached to balloons and then you could pinch them and draw your fingers down, running your thumbnail over the ridges. The result was that the balloon acted like a speaker for the sound waves encoded in the ridges.
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I remember an advertising gimmick in the 90's, plastic ribbons with tiny ridges that you attached to balloons and then you could pinch them and draw your fingers down, running your thumbnail over the ridges. The result was that the balloon acted like a speaker for the sound waves encoded in the ridges.