The company's patented LVA, or Layered Voice Analysis, technology can pick up verbal cues from a passenger who may pose a threat.

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But a videoconference gives everyone, including the parents, an opportunity to chat for a bit, see non-verbal cues, and visit for a while.

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With social environments we have mostly lost one important component of business communications: that of seeing and understanding body language, expressions and other non-verbal cues from face to face encounters and meetings.

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Verbal cues are missed.

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The scientists, who reported their findings at a recent meeting of the American Academy of Neurology, have discovered that a certain type of neurodegenerative disease may chip away at the ability to understand the social, physical and verbal cues that help people recognize indirect language, such as sarcasm, and even deceit.

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Please remember that none of these verbal or nonverbal cues are proof of lying.

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