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101 Windows by Adam Nathan

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Chapter 15. Mood Ring

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A mood ring is a ring with an element that changes color based on the body temperature of the person wearing it. Some people claim that such temperature changes are able to reveal the wearer’s mood, making these rings fun novelty items.

The Mood Ring app captures the essence of a mood ring. Users can press their finger on the screen, and the spot they touch slowly changes color to reveal their mood. In one ...

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