I would be tempted to write a bot - not for selling anything but for the Academic joy of doing so. Sadly, natural language is a well trodden path in AI and most of the algorithms aren't very interesting. You end up with a lot of quite inane drivel...
He's a clone, like those dudes in La Cite Des Enfants Perdue. Why else do you think he's called Mr. Echo?
But yeah, seriously, when we were kids, the Turing tests were super advanced, like Voight Kampf, now that we've gotten to the future we find that a Turing test is being able to retype a string of squiggly letters.