RealScoop utilizes proven voice analysis technology to analyze statements made by public figures. The 'Believability Meter' analyzes each celebrity video second by second, displaying the real-time results in a color-coded manner from left to right. The most believable statements are green, gradually turning red as they become more questionable.
As an example, here's a video of Eliot Spitzer announcing he is resigning as Governor of New York following the Emperors Club scandal.
(via Uncertain Times)