I don`t know if this thing really works but let`s say it might be fun to listen your friends with this little gadget in your hand and see them faces when it horns :).
sourceHandheld voice analyzer tells who's being true and who's full of doo-doo.• Hand-held De-FIB-ulator analyzes voice stress to detect lies
• "Demonochio" icon's nose and horns grow when someone tells a lie
• Perfect party fun pegs the perfidious liars amongst you.
• Easily integrated with telephones and cell phones.
• Palm-size unit is hand-held and easily concealed.