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].

DEAR RICHARD: The Oxford comma, also known as the serial comma, is the comma used before the conjunction in a list of three or more items. For example: “I like to eat apples, bananas, and oranges.” I ...

The purpose of the comma and how the comma might change the meaning of the sentence was debated when the America Invents Act (AIA) was enacted in 2013. Because of a comma, the meaning of the Act was ...

Comma.ai, the startup that George Hotz (aka Geohotz) founded to show that making driverless vehicles could done relatively cheaply using off-the-shelf components and existing vehicles, has ...