Yesterday I learned that whoever designed the bottle for my favorite creamer designed the cap to hold a single serving of said creamer. I.e., a serving is 1 Tbsp, and the cap holds 1 Tbsp.
Now I'm wondering how many other products out there have done something similar.
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Like, how many products have, say, serving markings on the outside of the jar? Or the cap holds a single serving of whatever the product is? Etc. etc.etc.