It will always be 50 to 100 years in the future.
I attended an AI session at Dreamforce in San Francisco today. They panel said it’s 50 to 100 years away.
Salesforce is building AI into all of their products now. Remains to be seen if it actually does anything useful.
They're either misinformed or lying. It may be here now, in the form of the adiabatic quantum computers made by D-Wave.