SEOUL (Reuters) - Valentines Day in South Korea means chocolates, romantic dinners and a high-tech mobile phone device that can secretly check the passion in the voice of a lover.
The "Love Detector" service from mobile operator KTF uses technology that is supposed to analyze voice patterns to see if a lover is speaking honestly and with affection.
"We created this service because we thought people would want to know what others were feeling about them," said Ahn Hee-jung, a KTF official.
Users who speak by pointing their mobile phones at themselves for video conferences can see a "love meter" bar on the screen of their handset during a conversation.
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