Unrelated, but I still think about this terrible idea to use sound waves through train windows to broadcast advertising directly into your skull.
bbc.com/news/technology-2316…
At the time, I was commuting on a train in Europe and was dreading if they decided to adopt it. I did have a travel pillow ready, but fortunately it seems to have creeped everyone out. Or was too expensive. Either way, haven’t heard a peep about it since.
