Good question. Why revisit the software that runs things like the segway, the space station, the pace maker, the artificial kidney, and a DVR? Maybe if you wa

Good question. Why revisit the software that runs things like the segway, the space station, the pace maker, the artificial kidney, and a DVR? Maybe if you want to build a new one, maybe for "security", or maybe you just want to write some code. I like old software much better than updated software, because the latter is pretend and really unknown.