- Physicists viewing the results of supercomputer simulations
- Viewers of satellite composite images for various purposes, including agricultural policy, land use planning, and military intelligence
- Artists
- Health care providers, such as pathologists, for virtual microscopy utilizing whole slide images (digitally scanned glass microscope slides)
- Visual effects industry, where gigapixel images can enable the creation of immersive digital environments
http://en.wikipedia.org/wiki/Largest_photographs_in_the_world