> If you don't want to be tracked, you probably shouldn't be traveling in a flying machine emblazoned with registration marks. Maybe try the train. Note that t

> If you don't want to be tracked, you probably shouldn't be traveling in a flying machine emblazoned with registration marks. Maybe try the train. Note that this exact same argument applies to traveling by private car- The number plates are required by law to be clearly visible, so it must be ok to track as well.