Mind Your Ps and Qs: Typography Top Ten

Here's a "Top Ten" list for anyone who lays out typography in any way, whether it's writing an article, or doing a magazine or web page layout: "Ten typographic mistakes everyone makes", by Christopher Phin, a talented purveyor of all things web-dev, and more. Yes... Having read through the article, and worked with some top (read: "picky") editors, I agree that everyone does, in fact, make these mistakes (including me). Ever wonder what the difference is between a parentheses and a bracket? How many mistakes can you find in this text? This is your chance to find out!