Where Do I Use Commas?
Are you a comma-kaze? Do you use commas like confetti? Don’t use a comma everywhere you would pause when speaking. Check out the rules.
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Last week Dale Seiler on Twitter sent me a screenshot of a Garmin ad that had a strange and unnecessary comma in the middle of the tagline. It reads “Today’s record, is tomorrow’s motivation,” and that comma violates one of the hard-and-fast comma rules: never put a comma between a subject and its verb.*
Commas: Are There Firm Rules or Just Guidelines?
Commas have a lot of different uses, and that’s part of what makes them confusing. Another thing that makes them confusing is that some things are hard-and-fast rules—like don’t put a comma between a subject and a verb—and other things are more like guidelines, as Jack Sparrow says of the pirate code in Pirates of the Caribbean.
The “rules” about serial commas are an example of such guidelines. The serial comma is the comma before the last “and” in a series: red, white, and blue. That last comma before the “and” is called a serial comma, Oxford comma, or Harvard comma. Some people say to always use it and other people say to only use it when leaving it out would cause confusion. It’s a style choice.
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Don’t Put a Comma Between a Subject and Its Verb
But the Garmin ad violates a hard-and-fast rule, not a guideline.
My guess is that one of two things is going on. Either the people working on the ad believe you should put a comma anywhere you would pause when you are speaking, or the tagline was originally something like “Today’s record, tomorrow’s motivation”—without the “is,” which would be correct—and then they put in the verb later, and everyone forgot to take out the comma. (I make most of my mistakes when I’ve been rewriting a sentence to death and overlook some preposition or punctuation mark left behind from a previous version, so it wouldn’t surprise me if that happened with the ad.)