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by julielit 877 days ago
Sorry, but this is not true. Every significant publisher produces EPUB these days. Most reading apps support EPUB (including apps from Apple and Google), Readium and EDRLab offer open-source SDKs that ease the development of mobile, desktop and Web reading software with strong EPUB 3 support, including MathML. Readium LCP is a DRM for EPUB, especially for public libraries that need an e-lending end date. More, EPUB is much more accessible than PDF for blind people and other people with disabilities. PDF has no interest for ebooks (but for short documents, yes).