"If we can't make it, there's no e-tail business, " Blum says.

FORBES: The Death and Life of Buy.com

"We haven't proven there's a big enough market for the enhanced e-book to justify the effort, time and money, " she says.

WSJ: Enhanced E-Books: Blowing Up the Book

It's pronounced E-Do, and by the time you'll be able to buy one we don't think you'll be interested anymore.

ENGADGET: MWC day one: the Empire strikes back