these might not have cell plans, but it wouldn't be hard to make one with esim support and a panic livestream button so they can't delete the recording.
recording teachers should be another valid use, you would bot believe the number of times teachers don't do their legally mandated reporting and brush everything under the rug
the median without listing the standard deviation is almost as bad as the mean (for some datasets) I strongly suspect there are very few people between $100,000 and $200,000 because getting a home is that important to staying afloat and the stark racial difference is because one group has more than 50% homeownership and the other a fair bit less.
I completely agree that "major cities" should have trains, but look at Alaska and tell me how many places would be remotely hospitable to trains or their tracks?
probably eill discriminate based on wealth and perceived urgency because people with more money are willing to pay more and people with more urgency are also willing to pay more
because there isn't anything particularly special about it other thsn it being a mass market product