This photograph represents one of the 42000000...000000 (that's a number with 240000 zeros) ways to fill with black or white each one of the 1024*768 pixels contained within the frame of this image.
Proportionally to the finite universe of possibilities, and even with the help of very strict fomatting restrictions such as here with a 1 bit color depth, the production of photos compared to the scale of human time is very limited. It is therefore a good idea to try and make the right ones.