Thursday January 19, 2012 10:46 am PST by
Arnold KimTechCrunch summarizes notes from today's media event. Of interest, they seem to reveal that Apple's interactive textbook format is not quite the official ePub 3 spec:Books are not technically in the EPUB format, but they borrow from it (likely EPUB 3). Certain interactive elements of the books require the files to be done in the slightly different iBooks format, Apple says.Earlier rumors had...