Although still in concept (UPDATE: Lenovo now saying this is a two year mockup), this is the closest thing I’ve seen to a netbook as fashion accessory (note the burled walnut finish). The belt clasp also acts as a mouse, or so says the caption the the photo on the Lenovo picture feed, and the screen also flips around so that you can write on it with a stylus.
It’s too big to really fit in your pocket or purse so it doesn’t really pass the test of a portable broadband device for me. It needs to be something I would take to the park with me when I go play with the kids. This is the size of the old Apple Newton which was just too big to be practical.