UI Placeholders Confuse Users and Corrupt Engineers’ Souls
: Putting “placeholders” in the application user interface is a bad practice that conflicts with Agile development methodology, confuses users, gives engineers a false sense of accomplishment, and should be banned. If a feature or object isn’t serving some purpose today, it shouldn’t be in the user interface at all. : http://www.voximate.com/blog/article/782/ui-placeholders-confuse-users/