| Invented by the British codebreaker Alan Turing, the test asks people to judge whether the respondent is human or machine. |
| He said that if Turing were alive he would be working on threats from cyberspace, a clever way of co-opting the codebreaker and his achievements into surveillance programmes that would have been inconceivable to him. |
| After the smoke cleared, he ran his program on the Codebreaker II and found that it did, in fact, figure out the correct settings, including the plugboard. |
