http://www.alistapart.com/articles/neveruseawarning/
Drupal needs this.
As teached by many excellent usability books, confirm forms are wrong, they become habitual and are just a nuisance instead of protecting you from mistakes. The computer should just do what its operator says and make it possible to revert easily.
Here here!!
Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution 3.0 Unported License.