When you're writing or typing and begin to list items in consecutive order, do you add a comma prior to the conjunction before the final item? Or not? The inclusion of that final comma is a great ...

Ah, the Oxford comma. Journalists often fight over it, academics love it and a lot of people don't care about or even know what it is. But this singular bit of punctuation is actually super important.

An Oxford, or serial, comma is the last comma in a list; it goes before the word "and." Technically, it's grammatically optional in American English. However, depending on the list you are writing ...