EPUB 3 is latest version of EPUB, the widely used open standard format for digital publications, is based on the latest Web Standards including HTML5.
- Styling and layout enhancements (general CSS enhancements, enhanced font/typography support, and fixed-layout support),
- Global language support (vertical writing, R-L page progression direction, phonetic annotation, etc.)
- Rich media and interactivity (audio, video, scripting)
- Accessibility features (better semantics, pronunciation hints, synchronizing pre-recorded media with text display, mathematics etc.).
Here is the article link about our company which has been published recently in Publishers weekly. http://www.scribd.com/doc/223164990/Digital-Solutions-in-India-May-2014#page=10