When considering the success of the iPod it's easy to forget the thousands of failed inventions left in its wake. Steve Greenberg's new book, Gadget Nation, attempts to shine a light on some of the homegrown entrepreneurs who face the daunting climb toward widespread acceptance. Subtitled "A Journey Through the Eccentric World of Invention," the book looks at average Americans' creations, which run the gamut …
Gadget Nation
