To really blow peoples' minds use both hands to tap the differences, keeping the left hand for the left image and the right hand for the right image!
From your POV the images are merged so your hands will look like they're tapping a single image, but from the audience's point of view you look like a savant with multi-attention!
From your POV the images are merged so your hands will look like they're tapping a single image, but from the audience's point of view you look like a savant with multi-attention!