Marketers can lose the ability to react to branding in the same way that "normal" people do ... and sometimes our insider way of viewing and evaluating copy and design takes us too far away from communicating effectively with those we want to influence and persuade.
Give Credit Where Credit is Due: Before you celebrate me for these, know that I stole borrowed them for your amusement from Tumbler where a number of folks (who I assume are on the advertising/marketing hamster wheel) submitted them. They are individually credited there.