Craig Silverstein, who was the first person employed by Larry Page and Sergey Brin at Google and its Director of Technology for 14 years, famously said:
“… My guess is that it will be 200 to 300 years until computers and algorithm are as good as, say, a human librarian. The big difference is that the human librarian will understand emotions and other nonfactual information that even a fully intelligent computer may have trouble with…But we can make slow and steady progress, and maybe one day we’ll get there…”