Знакомьтесь: менее знаменитые "университетские" запятые. Harvard comma: the comma after an adverb that starts a sentence. Optional. Yale comma: the comma indicating that the following items are a comma-separated list. Frowned upon. Stanford comma: after the first item in a list of three or more items. Generally preferred. Columbia comma: after the first item in a list of two items. Far less popular than the Stanford comma. Cambridge comma: after the “and” in a list of two items. Widely panned as “frivolous” and “unseemly.” Cornell comma: generic name for the “filler commas” between Stanford and Oxford. They’re just happy to be here. Oxford comma: before the “and” in a list of three or more items. Hotly debated. Princeton comma: after the “and” in a list of three or more items. Slightly better-received than the Cambridge comma due to it conveying a dramatic pause, but still not one to use in polite company. MIT comma: the reason grammarians keep crossbows in their desks. [отсюда]