Airstash: A Teeny-Tiny Wi-Fi Router and Card Reader | Gadget Lab | Wired.com
The design is simple, but the uses are manifold. You could use this to wirelessly copy photos from card to computer, but that, apart from saving you a USB port, is a little boring. What about carrying an extra 32GB of movies and music that can be streamed from the built-in server direct to your iPhone? Or creating a fully functional wireless network for sharing, well, anything? Because it uses vanilla Wi-Fi, it works with anything. And because it uses USB, it charges when you plug it into a spare port.