We have been surprised that coders still code without actually coding, mathematicans do not do math proofs, and writers who write without actually writing words. Our future is not job replacement but a kind of new work we have trouble imagining only a year ago.

Our most important mechanical inventions are not machines that do what humans do better, but machines that can do things we can’t do at all. Our most important thinking machines will not be machines that can think what we think faster, better, but those that think what we can’t think.

Thomas Jefferson understood that ideas were not really property, or if they were property they differed from real estate. He wrote, “He who receives an idea from me, receives instruction himself without lessening mine; as he who lights his taper at mine, receives light without darkening me.” If Jefferson gave you his house at Monticello, you’d have his house and he wouldn’t. But if he gave you an idea, you’d have the idea and he’d still have the idea. That weirdness is the source of our uncertainty about intellectual property today.

This waking dream we call the internet also blurs the difference between my serious thoughts and my playful thoughts, or to put it more simply: I no longer can tell when I am working and when I am playing online. For some people the disintegration between these two realms marks all that is wrong with the internet: It is the high-priced waster of time. It breeds trifles and turns superficialities into careers. Jeff Hammerbacher, a former Facebook engineer, famously complained that the “best minds of my generation are thinking about how to make people click ads.” This waking dream is viewed by some as an addictive squandering. On the contrary, I cherish a good wasting of time as a necessary precondition for creativity. More important, I believe the conflation of play and work, of thinking hard and thinking playfully, is one of the greatest things this new invention has done. Isn’t the whole idea that in a highly evolved advanced society work is over?