There are countless examples of artists that have assembled images into a grid format. The form has the advantage of giving a viewer a container to look at many images at once. It also has the possibility of allowing multiple WAYS to view the images.
We tend to miscalculate the time it takes to engage in novel activities due to the influence of memories. Matt Danzico explains why your childhood feels like it lasted forever and why that beach vacation seemed like two months rather than two weeks.