One of my co-workers is a saver. About 15 years ago, our insurance company used a new password each week to identify company representatives. About a year ago, my co-worker found a file with all the passwords. He showed it to all of us and we all agreed there was no reason to keep it, so he threw out the file. We have a sales convention every year and a top management person would leave company-wide e-mails to update us on information for the convention. A couple of days after my co-worker threw out the file, I called a top...