We’ve been dying to know more about Microsoft’s Courier tablet / e-book device ever since we first caught wind of it last September, and while our entreaties to Mr. Ballmer went unanswered, we just learned some very interesting information from an extremely trusted source. We’re told Courier will function as a "digital journal," and it’s designed to be seriously portable: it’s under an inch thick, weighs a little over a pound, and isn’t much bigger than a 5×7 photo when closed.

Link – http://www.engadget.com/2010/03/05/microsofts-courier-digital-journal-exclusive-pictures-and-de/