I would say everything in the "touch grass" world. Robotic hardware seems to be lagging way behind pure AI software. One obvious example is self driving cars, w

I would say everything in the "touch grass" world. Robotic hardware seems to be lagging way behind pure AI software. One obvious example is self driving cars, which seem to have plateaued in progress. Or: I just listened to a podcast about how there is a huge shortage of electricians available to do the residential upgrades incentives by the IRA. GPT-4 seems to be nowhere near a solution to that kind of problem.