User blog comment:Alemas2005/SauceBot Busted! - Chat Blog/@comment-24057825-20120825090111/@comment-4052371-20120825213810

What if someone programmed it to make mistakes once in a while, so you think you're talking to a human, but it's actually a bot? If you can't tell the difference between the bot and a human, it means that it passes the Turing Test : http://en.wikipedia.org/wiki/Turing_test