Not only that, but back in those days, the ads probably generated the lion's share of their revenues, along with the "classified ads" section (which is also ads, just not so commercial). That $0.10 you paid for the paper only really covered the cost of printing and distribution, if that.

Unlike today, though, the ads in newspapers weren't annoying: they were just print, and didn't pop up dynamically in front of the article you were reading, and no one tried to shame you for not looking at them, unlike today's HN users.