We all know people who lie. Sure, there are people who omit the truth, people who keep secrets. But how about those who don’t even blink when asked direct questions?
Employers and law enforcement use polygraphs as a screening tool, but now, if you have about $400 to spend, you can engage this service, too.
Anyone who’s ever watched a police/crime procedural TV show — such as “CSI” or “Law & Order” — is familiar with the idea. This is not new technology. It’s been around for more than a century.
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