Why do you need to use appropriate punctuation including plurals and progressives in writing

Answer 1

The only way to make your writing clear and understandable to your reader is to use correct grammar and punctuation.

Consider the popular grammar book: Eats Shoots and Leaves or is it Eats, Shoots, and Leaves?

Answer 2

http://www.amazon.com/Eats-Shoots-Leaves-Tolerance-Punctuation/dp/1592400876