No doubt. That still doesn't make it at all likely that someone who is not familiar with someone's password-ing habits can sit down at a computer, look at the vacation pictures on the desk--the general decor of the room--and nail it two tries like many fictional investigators seem to be able to do. Just watched a show where a coworker (trying to log into another's email account) chewed on their lip for 15 seconds, typed the word "kabuki" and was in in one.