After seeing the screenshot in this thread:
http://www.copywritersboard.com/off-...-new-post.html
Posted by Subtle (about "boneless ham" in a "Hannukah" special), and JP Maroney's "I'm good at sales copy, I did it with a marketing firm before the owner went under..." in another thread, it got me thinking...
Here are a few more. One is about translations (some of them, by the way, are myths and urban legends, but some of them are indeed true):
Marketing Blunders Do you have any examples of marketing blunders?