Add Yahoo as a preferred source to see more of our stories on Google. The Oxford comma is the comma used before the final conjunction in a list of three or more items. When writing a list, of course, ...

Everybody heard about Tesla's Full Self-Driving, although the jury's still out on whether this is autonomous driving software or a driver assistance system. Comma AI's openpilot is a less-known ...

Use a comma to separate two independent clauses when they are joined by one of seven coordinating conjunctions (for, and, nor, but, or, yet, so). We were out of ice cream, so I went to the store. (c) ...

Do your clients and the courts a favor -- when distinguishing items in a list, choose critical clarity, avoid confusion, and include the Oxford comma. If you know appellate judges, you know they are ...

If you’re looking for a grammatical convention guaranteed to spark an unnecessarily outraged debate, look no further than the Oxford comma [Editor’s note: I don’t know that I’d call it unnecessary].