I believe he's just taking advantage of how interlacing works in png to create this effect. As you load the higher resolution, the image changes drastically in

I believe he's just taking advantage of how interlacing works in png to create this effect. As you load the higher resolution, the image changes drastically in this case. https://graphicdesign.stackexchange.com/questions/6677/what-does-the-interlaced-option-in-photoshop-do https://graphicdesign.stackexchange.com/questions/6677/what-...