On top of that, the Rasperry Pi costs $25 and is full computer in of itself (which, in of itself, is a testament to the growth of the mobile system hardware mar

On top of that, the Rasperry Pi costs $25 and is full computer in of itself (which, in of itself, is a testament to the growth of the mobile system hardware market) Slap a case on it and a copy of Ubuntu, double (or triple) that price, and you still have a cheaper option than this USB solution.