Kurzweil predicts that by 2029, computers will pass the Turing test, and by 2045, AI will be billions of times more powerful than human intelligence. Very good condition. The top of the text block is lightly foxed. All edges of the dust jacket are slightly worn exposing the white paper underneath. Singed on the title page. The "Singularity" is a point in time when technological change is so rapid that it irreversibly transforms human life. Transcending biology, this book discusses merging with machines to overcome aging, pollution, and limitations of the human body