Post to understand ebook formats and market shares

EPUB

http://gizmodo.com/5478842/giz-explains-how-youre-gonna-get-screwed-by-ebook-formats

https://en.wikipedia.org/wiki/EPUB

Major players

Amazon

Format: AZW, MOBI
Device: Kindle
Current market share of US ebook sales: 60%

Barnes & Noble

Format: EPUB
Device: Nook
Current market share of US ebook sales: 25%

Apple

Format: EPUB
Device: iPad, iPhone
Current market share of US ebook sales: 10%

Ebook formats