WAP enabled phones (the early mobile internet protocol of the early 200s, using a card metaphor) tended to have elongated pixels as well. Converting images for

WAP enabled phones (the early mobile internet protocol of the early 200s, using a card metaphor) tended to have elongated pixels as well. Converting images for this was fun! (WAP used a special, binary image format, but the compiler for this didn't care about pixel ratio. The fun part was really designing and previewing these images on square-pixel hardware and then converting this to something which was still crisp on the actual hardware target. But then there were also PDAs, which did have square pixels…)