The 1970s mood ring gets a wearable tech makeover

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The old idea of a mood ring is one largely based in superstition — the rings really changed color based on temperature, no the wearer's disposition. However, technology has advanced far enough that a Finnish company called MoodMetric has now created a working mood ring that discreetly tracks how the wearer is feeling. The Moodmetric ring fits onto the finger much like any other ring, but it's equipped with Bluetooth connectivity and skin conductance sensors that are able to detect a number of metrics that can indicate mood and emotions. By tracking the nervous system signals given off by the…

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