For the Love of Commas

Benjamin Samuel makes a passionate defense of the comma in McSweeney's.

From the piece...

10. Dear Benjamin,

I return you to this salutation. See how that comma hangs there? See how it embraces the end of the name? See how its usage does indeed suggest that care has been taken, thought given? This specific use of the comma, one that accompanies a carefully chosen salutation (in this case “Dear” meaning loved one, one who is close to the heart), should clearly be taken as a sign of glad-tidings, and also as a reason to pause, to take a breath of expectation before proceeding to the following line.