Mossberg on Ebook Software for iPhone, iPod Touch WSJ's Walt Mossberg reviews ebook software, Shortcovers and Iceberg, for the iPhone and iPod Touch that aim to compete with Amazon's Kindle. Mossberg on Ebook Software for iPhone, iPod Touch WSJ's Walt Mossberg reviews ebook software, Shortcovers and Iceberg, for the iPhone and iPod Touch that aim to compete with Amazon's Kindle. Walt Mossberg personal technology iphone ipod touch shortcoveers iceberg ebook kindle amazon cellphone