It's woefully impractical for a laptop, specifically because it CAN'T be flexibly positioned where many people would want it. Plus, you'd have to lug an additio

It's woefully impractical for a laptop, specifically because it CAN'T be flexibly positioned where many people would want it. Plus, you'd have to lug an additional and cumbersome device around with you, occupy a USB port with it, and deal with a wire. All of that makes the trackpad a much better option.