″ I believe that in about fifty years’ time it will be possible, to programme computers, with a storage capacity of about 109, to make them play the imitation game so well that an average interrogator will not have more than 70 per cent chance of making the right identification after five minutes of questioning.”
The 30% quote is legit:
″ I believe that in about fifty years’ time it will be possible, to programme computers, with a storage capacity of about 109, to make them play the imitation game so well that an average interrogator will not have more than 70 per cent chance of making the right identification after five minutes of questioning.”
http://loebner.net/Prizef/TuringArticle.html
This was a prediction Turing made, not how the test was defined.
We can’t do it in 10^9 bits, though. Of course that’s just nitpicking.
Maybe with the best compression we can? But yeah, that’s not the main goal.