What's the point? -- If one of your grammatical pet peeves happens to be quotation marks used for emphasis - this is not what they are for! - this site will rile you up and make you laugh. It's called The "Blog" of "Unnecessary" Quotation Marks, and it documents goofy signs that make this particular gaffe.
What to look for --The person who runs the site assumes that the words found in quotation marks are either insincere or sarcastic, and the interpretations of some of the signs are downright hilarious. It gives "This is 'NOT' an 'EXIT'" or "Bike lane 'closed'" a whole new meaning. Is it or isn't it?