Ignoring the privacy issues, I think universities would be an exception, as many student/staff live on/near campus. I suspect people who work from home would ma

Ignoring the privacy issues, I think universities would be an exception, as many student/staff live on/near campus. I suspect people who work from home would make up a disproportionate number of the collisions (as they reduce two dimensions into one) - so perhaps their is privacy in that.