Back in 2009:
"... by 2040, you can get a human brain worth of processing power for something like $100 / year, which nicely throws a spanner in these GDP projections. If each person has a dozen virtual humans running on the side, the amount of stuff that one person can get done might well be multiplied by that."Off by a decade and a bit.
https://fhtr.blogspot.com/2009/08/gdp-projections.html
