• Double-tap an image within a book to view it in greater detail.
• Experience books that include audio and video.
• Enjoy substantial performance improvements when reading PDFs.
• Look-up definitions to English words inside books without a specified language.
• Addresses an issue that may have caused some book downloads to not complete.
• Includes many stability and performance improvements.
These new features will open a huge window for textbook publishers, who will be able to embed supporting audio and video straight into the virtual textbook. Maybe this will be the killer feature that will make eBooks more useful than their paper counterparts.
The update supports the iPhone, iPod Touch, and iPad.