Skype is adding lie detection capabilities to its VoIP telephony service. The software which was developed in Israel and is used by the US military, scrutinizes stress levels in the callers voice to determine if the the caller is telling a lie. 

The ‘KishKish’ software attempts to determine whether the caller is telling a whopper by analysing the audio stream and checking for stress levels.
Lying evokes the ‘fight or flight’ response in humans, which makes muscles tense up, altering the pitch and tone of the voice.

Here is tip for everyone: Don’t use Skype to call work and tell them you are sick when you really just want the day off. You can never be too careful. ;)

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