We have a favorite trick here at Faultline, and we use it when addressing a room full of opinionated engineers, who are usually “certain” that one technical outcome and only one, is possible. We ask “Everyone who is a CFO, please raise your hands?” There is usually silence and a complete absence of hands going up – perhaps we just don’t move in the right circles. But it’s true, in a world of engineering (certainty) it is the Chief Finance Officer who provides uncertainty and decides whether or not a product or product line wins or fails. And CFOs seem to have just decided that HomePlug is just about ready to die. CFOs at both Qualcomm and Broadcom appear to…