Worked at a computer store years ago. Little old lady came in.
"I need you to recover all of my photos of my grandchildren from this external hardrive"
"Hmm, it's dead ma'am, did you keep back-ups?"
"Well, yes, I put all my photos on the external hard drive, that's backing the photos up right?"
*Increasingly panicked tone in my voice* "yes, but where are you keeping the originals? You have an extra set of these photos on your actual computer right?!"
"No that's why I have the external hard drive, I back up all my photos by saving them there"
"Ma'am the photos of your grandkids are gone, here is the number of a data recovery shop, they might be able to get something for you..."