509
Sony is killing off recordable Blu-ray, bidding farewell to disc burning | TechSpot
(www.techspot.com)
This is a most excellent place for technology news and articles.
Japan just gave up the floppy (officially), but there will still be other legacy users.
Until VERY recently the US nuclear arsenal required 8" floppies. Disks that went out of favor in the early 70s because they can only spin for a few hours before they start to corrupt.
The one that most blew my mind was that my local Walmart only stopped selling blank BetaMax tapes in the mid 00’s. By the time the store was built they weren’t even selling movies on VHS anymore, but the blanks were still worthy of limited shelf space.