Did that above sentence make you cringe?  Then you will love the book I judge you when you use bad grammar by Sharon Nichols.  This book is a collection of photos of signs flaunting the users’  ignorance of the correct use of grammar, compiled from her facebook page with the same name.  Or you can check out Steve Dinn’s flickr page with his own collection, and another larger one here.  After vieweing these you will never make a sign without using spellcheck…