4 ms·EPUB / MOBI reader is not a problem this daysby robert-zaremba 9y agoEPUB / MOBI reader is not a problem this dayssigzero 9y agoThat really doesn't speak to his statement. The majority of devices read PDF by default where EPUB/MOBI, the user needs to go get an app.Spivak 9y ago10 You should publish PDFs because devices include readers. 20 Devices have readers because everyone publishes PDFs. 30 GOTO 10