You better never take another photo against a seamless white background. That's Amazon's thing now.
In a patent for "Studio arrangement," Amazon claims ownership of the way countless photo shoots have been set up since the first time a shutter was snapped.
The ridiculously-detailed patent even says what F-stop is the best in Amazon's "proprietary" setup:
"... a background comprising a white cyclorama; a front light source positioned in a longitudinal axis intersecting the background, the longitudinal axis further being substantially perpendicular to a surface of the white cyclorama; an image capture position located between the background and the front light source in the longitudinal axis, the image capture position comprising at least one image capture device equipped with an eighty-five millimeter lens, the at least one image capture device further configured with an ISO setting of about three hundred twenty and an f-stop value of about 5.6; ..."
According to DIY Photography:
The patent number is 8,676,045B1 and you can read the entire boring text on USPTO, or just about any basic studio photography book.
Now I didn't patent the idea, but I do know how to take great photos. Get my 3 Essential Guides to Digital Photography to become a photography master in no time.