3 ms·Buying Mobi files is sending a signal that DRM are OK.by vbernat 9y agoBuying Mobi files is sending a signal that DRM are OK.Spivak 9y agoI have a lot of DRM-free Mobi files. Do you just mean that .mobi are typically shipped with DRM? Because the same is true for ePUB too.vbernat 9y agoYou are right. In my head, Mobi files were always downloaded from Amazon (and here, they always come with a DRM, right?).