PEOPLE can only tell apart artificial intelligences and humans about 60 per cent of the time, according to a test taken by more than 1.5 million people. The results raise questions about whether the new generation of Als should have to identify themselves in conversation, say researchers. Computer scientist Alan Turing first proposed a test for machine intelligence in 1950. In its original form, a person talks via text with both another person and a machine and has to guess which is which. If they can't differentiate, then the machine has passed the Turing test.
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