frog art Thruster's marketers describe their product like a Personal Truth Verifier, completely different from its well known cousin, the polygraph. You know, which is the gritty real-world lie detector where sweaty guys in fedoras wire you up under bright lights. Trustier is far more high-tech and user-friendly. You plug your phone in to a simple little sensing oral appliance connect it in your computer. Then the software takes over. According to the owner's Links Of London Bracelets manual, it uses "an ingenious new algorithm to detect vocal stress" and identifies shades of truth. Lying, it seems like, produces subtle "micro tremors" of hysteria in one's vocal cords that normally go undetected but sometimes be grabbed by Trustier. With each sentence or a reaction to a question, it flashes a message: "Truth." "Inaccurate." "Slightly Inaccurate." "Subject Not Sure." "False." Little graphs and electronic squiggles chart your conversation like a form of psychic seismometer.