Caught this article at Silicon Valley Insider about how a California startup is working to offer text books for the iPad.

Apple iPad

This could really revolutionize online learning.  While many schools, including American Public University System already utilize ebooks, they are in proprietary formats for simply PDFs.  This can make portability, especially for those folks deployed in the field, a challenge.  An ebook for the iPad, or other e-readers, such as the Amazon Kindle or Sony, could extend portability further.  Personally, I’m a traditionalist and still enjoy my big yellow highlighter for note taking… so we’ll have to see if those of us used to paper-based note-taking can get used to an electronic format.