#Caption boxes seem a great way of giving #deaf viewers access to cinemas but don't always work: battery may die mid-movie, faulty connection, box not sitting in the armrest properly.
https://www.huffpost.com/entry/parasite-subtitles-deaf-hard-of-hearing_n_5e46d771c5b64433c615d5f3

"Even if it works perfectly, I still have to work extra hard to enjoy the movie as I glance as quickly as I can from the movie screen to my little caption box. I put up with all this so that other Americans don’t have to see words on the bottom of their screen."