As nerds of feeble build and limited lung capacity, we generally like our portable gadgets to be as small as possible. Problem is, there's a fine line between ultra-portable and un-useable. Take Evergreen's $20 Micro USB Mouse... please. Our opposable meat-hammers would futilely mash away on this quartet of buttons -- nevermind the scroll-ball. Oh it's there all right, see it after the break.
[Via Akihabara News