 rapid transportation and modern infrastructure. And you had these slaughterhouses in the middle of town. But then came railroads and steamships that made transportation easier. So cattle could be raised on the plains, but shipped live to the East Coast. Even that, though, was not the peak of efficiency, right? Because somebody was paying to ship the whole animal rather than just the parts that could be sold. And along comes this guy named Gustavus Swift. What was the opportunity he spotted to change the way things were done?