Susan Pierotti, Creative Text Solutions
The comma is a very useful device. It can provide a breathing space in a long sentence, it can break up a list into bite-size chunks, and it can change the meaning of text altogether. Here is a tale by Alec Torres of an amusing use of the comma.
http://www.nationalreview.com/corner/373919/proper-punctuation-taking-big-labor-alec-torres
Creative Text Solutions 