Having recently moved into a new house, expanding the size (and improving the quality) of the household by 100%, this is but one of the many essential decisions that we made. Yes, it’s the quintessential question — what is the correct way to hang a roll of toilet paper.
Infographic source: CurrentConfig, who also has a PDF version suitable for printing, folding and hanging on a toilet roll (should you know of someone who needs illumination on the proper technique).