Hmm, I don't really see why formatting would be preferable over deleting images. Zacko: correct. Think of the card as a filecabinet with alot of drawers. Each drawer holds a photo. On the side of the cabinet there is a list of which drawer holds which photo. If you delete a photo, only the entry on that list is removed. The actual photo stays in the drawer. If you format the card, it essentially replaces the list with a fresh blank one leaving all the photographs in the drawers. There are special programs out there that can scan the drawers and see if there's any photo's in them and restore them or copy them to another disk. Now, the above is true for quick formats, which is what most people and camera's do. If you do a full format (which takes quite a bit longer), it clears the list and empties the drawers. I hope this explains a bit how it works for the not so tech savvy people.

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