Yet when they have a content that lends itself perfectly to the PDF format, like comics, they instead use an unnecessary made-up format that is just a renamed ZIP or RAR file.Īlso, for some reason, JPEG-2000 as a format seems to have never gained much traction. novels), they use the PDF format, which is simply awful for the medium. For some strange reason, in the land of the internet when people create books with flowable text (i.e.