Once we have the technology, we can travel back in time and provide those people with some modern productivity advice. No more chaining forelocks to highways or whatever it was they were doing. Picture if you will the conversation that we could have with people in Biblical times: Time traveler: I come from the far future with advice. Biblical people: Doesn’t he know we don’t speak English? Stone him! Oh well, you can’t make an omelet without breaking a few eggs. Am I right?