The question came up today about when to use who versus whom. Let us seek the answer from The Oatmeal. They provide far more entertaining answers to grammar questions than I could offer (I am just not that inspired by the apostrophe). Check out the links below. Do you agree? Is the semicolon the most-feared punctuation on Earth?
How and why to use whom in a sentence TheOatmeal.com
How to use a semicolon TheOatmeal.com
When to use i.e. in a sentence TheOatmeal.com
How to use an apostrophe TheOatmeal.com
Adventures in Editing 