The Digital Singularity that we could witness could happen within only a few minutes. It may take more. It may take less. It might also begin in sporadic events – as was demonstrated by a robot that corrected itself based on knowledge it had to generate about itself. Such events can seem trivial, just like the first emails seemed to be of limited usefulness. The frequency is increasing.
(Click on the photo for the link.)
“Don’t Panic, But A Robot In New York Just Showed Signs Of Self-Awareness” – Fusion
Pretending Not To Panic 
There was Arthur C Clarke’s “Dial F for Frankenstein” of 1975 where the singularity happened overnight when the world’s phone systems were linked up.
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