It’s sad how insecure some people feel, and while this gadget sounds ludicrous, people are actually going to buy it. Portable Lie Detector depends upon variations in a person’s voice to detect nervousness and decide if it is a truth or lie. The maker claims a good degree of accuracy for the device, and says it works very effectively over phones, especially mobile phones, owing to the digital nature. The lie detector costs $59 at Amazon.
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