Shooting aspect ratio 1:1 photographs, the square format will expand your creative enjoyment with the fresh feel of the framing and the strong subject presence produced by limiting the image field. This format is also convenient for blog use.
~Product feature of the GR Digital III from Ricoh.com
Note: the photo above was taken not with a Ricoh GR digital camera but with my Canon DSLR. The photo was used to illustrate the “fresh feel” of using the 1:1 aspect ratio, which is a camera feature of the GR.