The Turing test is one of those snippets of technological folklore that, every so often, triggers a flurry of media excitement. Wild claims are made, dubious headlines are run up the flagpole, much fun is had by all.
Partly, no doubt, because it’s beautifully simple to explain. The idea was articulated by British cryptographer Alan Turing, back in 1950. Turing posed the simple question: could a machine think? Being a no-nonsense chap with a distaste for definitional wrangling, he illustrated his question with an objective test. Take one human judge. Have the judge communicate with two subjects. One is a regular-issue human being, the other is a machine. The trick is, the judge doesn’t know which is which. The subjects are in a physically separate location to the judge, and can only communicate via text message. The judge’s job is to detect the human, by posing any questions they see fit. Continue reading “What’s in a Turing test?”