The article at http://tlp.law-dev.library.pitt.edu/ojs/index.php/tlp/article/viewFile/19/19 might help you.

The complication with this area of research is that privacy concerns are not homogeneous across countries. Each jurisdiction will have its own legal requirements in what is considered expectation of privacy.

With the recent safe harbor provision elimination, I think that the issue will come to the fore in areas such as telemetry.

there are published papers with the same direction and not exactly as your title

@shuaibu , any references ?