Cool.

Antiferromagnets could be incorporated into future memory chips that store and process more data while using less energy and taking up a fraction of the space of existing devices, owing to the stability of magnetic domains.

Usually, but not always. Some 5-10 year old games are still north of $50. The price for some movies and TV series has gone up rather than down over the years.

Luckily, as you said there’s so much out there that as long as I don’t get too picky there’s more than enough available without paying gouged prices.