While waiting for my mocha, I noticed the customer before me had ordered a "triple tall yatta yatta." The "yatta yatta" is unimportant, because what piqued my curiosity was the "triple" part.
A "Tall," rhymes with "small," is twelve ounces. Their "medium" is "Grande," or sixteen ounces. Their largest size, "Venti," is twenty ounces. Since a shot is one ounce, the maximum theoretical per drink is twenty in the "venti." From field research, I know the small and medium are typically one shot of espresso. The large drink has two. So, I asked the barista, How many shots would they put into one drink? Her answer:
"Poison control limits us to eight. I've tried ten. It made me feel miserable."

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