And in the episode Progress, Jake, Nog and a trader named Ch'ano enter into a business deal, followed by other exchanges that result in Jake acquiring money in the form of GPL. Jake is the driving force in this discussion ...Jake says humans don't use money.
JAKE: He doesn't have any latinum. Let's exchange for something.
NOG: I don't want something. I want latinum.
CH'ANO: I can't hear you. Can I interest you in a piece of land?
JAKE: Land is good.
NOG: For what? It's nothing but dirt.
JAKE: How much land?
CH'ANO: I can let you have seven tessipates.
JAKE: Seven sounds good.
NOG: First yamok sauce, then stem bolts, now tessipates, and still no profit.
JAKE: We're getting closer. I can feel it.
NOG: You can?
JAKE: I think so.
CH'ANO: Do we have a deal?
JAKE: We'd have to see proof that you own the land.
Jake's denouncement of money, his avocation of "I don't need money," is paper thin.
Which had nothing to do with Lily's question. Picard ducked the question concerning if he got paid.Picard flat out says there is no money in his century. Lily asks if that means people don't get paid, he doesn't deny it--he only says that humans aren't motivated by accumulating wealth anymore.
Jake sold the publisher on the idea of publishing his stories, he flat out told Quark that he was employing a figure of speech.Jake tells Quark he sold a book. But the publisher didn't pay him anything--and Jake didn't expect them to.
But in the 23rd century we see and hear of Humans using money, and referring to it's use.Tom Paris flat out says money has been extinct since the 22nd century.
But when the exact same air powers a windmill, you do pay for the resulting electrical energy.Not really. There's no need to pay for something that is in unlimited supply. You don't pay for the air you breathe, do you?
Isn't the wind "unlimited?"
