> It's important to safe guard how that data is used, but I'm not sure driving on a public road counts as a private activity. It's already illegal to drive an u

> It's important to safe guard how that data is used, but I'm not sure driving on a public road counts as a private activity. It's already illegal to drive an unregistered vehicle on a public road or to drive without the license plate displayed. Correct, but pervasive, automated surveillance and tracking has quite a different quality than requiring identification that's always displayed but rarely read. Just because some new practice can be analogized to an old one doesn't mean it's the same.