content: Or the range needed or computing power used. In flight you are limited to what is on the plane or if they offer internet what can be done with large lag spikes. Why they are putting in any sort of wifi or bluetooth or other consumer communication that is linked to the controls would be beyond me to understand the stupidity. I know weight matters but safety has always been up there as well. Air gaps may not always be 100% perfect but they are a hell of a start in security.