A new cellphone service in Turkey, Hungary, and the UK allows callers to determine whether they're speaking to loves them. First the user calls the system, then conferences in the unsuspecting party and starts a normal conversation. The love analysis system calculates the "Love Level" and notifies you whether that person loves you or not.
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We suspect this will be very useful for teenagers, Asperger sufferers, and the British.
Love Detector [via uber gizmo]