Are you sure you want to delete this?

Well, if the title of this post was in a dialog box, you would have hit “Yes” by now purely on impulse, and then, if you had wanted to read the article after all, you would be frantically looking around for an “Undo” action…

Fortunately, some savvy HCI people in Web-ville have noticed that dialog boxes to confirm actions are actually a waste of time, because the user gets used to them appearing and becomes conditioned to just hitting the “Yes” or “Ok” button without thinking. The (IMHO) quite beautiful solution that they have come up with is to simply do away with the dialog, let you do the action, but then make the chance to undo it immediately very obvious… For a couple of examples, try deleting an event in Google Calendar or a task in Remember The Milk… Sweet!

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