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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.
CF is still used in high-end DSLRs. Like, it's still the "premium" storage option.
CD burning is still kinda useful for hifi. I wouldn't use it for data these days.
Iomega ZIP disks. Those things just clicked all day.