no, i'm goingell, to keep doing this.hat they told melinda was, that set an example for that village. we have a tiny case of that where i was driving -- when i was ceo of microsoft -- our children to school quite a bit, and apparently -- i don't know for sure, but otherwise used that to encourage their husbands -- [laughter] they they could not say were too much more busy than i was at that particular time. charlie: back to artificial intelligence -- what is the timeframe on this? bill: for labor substitution, it will be substantial in the five to 20-year period. warehouse, security, things security and computers used to not be able to see, and we are really good at physical manipulation. making a bed and clearing up a room. taking a patient upstairs. the amount of adjustment and ability is quite incredible, but once software achieves those things it is unbounded. sorting parts and a warehouse or -- in a warehouse, picking things out of a bin, computers are just now getting to human level. is, 10 years from now, they will