1. A method of conducting a Completely Automatic Public Turing Test to Tell Humans and Computers Apart (CAPTCHA), comprising: automatically electing an electronic image for a participant with a computing system, wherein said electronic image comprises a set of imagery data other than words, and wherein said electronic image is configured such that a subset of said set of imagery data for said electronic image can be made perceptible in a first image state; associating said electronic image with one or more concepts; presenting said electronic image in said first image state and progressively revealing information over a first time period within an interface for said participant using said computing system; automatically selecting a first advertisement that is related to the one or more concepts associated with said electronic image; presenting said first advertisement, which contains information that acts as a hint, along with said electronic image during the first time period; and automatically processing responses from the participant with the computing system to correlate an accuracy of guesses from said participant for said one or more concepts associated with said electronic image.