You might think image editors such as Photoshop are the be-all and end-all of digital photography. But the more photos you take, the more the issue of organisation rears its head.
You can file away a small amount of photos in named folders and be reasonably sure of being able to find them again. But when you run into thousands, filing problems take on a new dimension. This has led to a new type of all-in-one photo cataloguing and editing app, with iPhoto at one end of the spectrum and Aperture at the other.