The KishKish Lie Detector is supposed to monitor the stress levels in speakers' voices and alerts users when these go through the roof.
It is being offered as an add-on for Skype customers.
Skype spokesbloke Paul Amery, reckons it's "really neat". It is, he says, "the kind of thing we want to see more of."
Neither Skype or Kishkish maker BATM has yet said how much the service will costs or when it will be available.
Perhaps they're making it all up.
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