Unless you're the US gov. According to Wikipedia: "In May 2016 the United States Government Accountability Office released a report that covered the need to upgrade or replace legacy computer systems within Federal Agencies. According to this document, old IBM Series/1 minicomputers running on 8-inch floppy disks are still used to coordinate "the operational functions of the United States’ nuclear forces..." The government plans to update some of the technology by the end of the 2017 fiscal year." [1]
1. https://en.wikipedia.org/wiki/Floppy_disk#Use_in_the_early_2...
ps: I'd be curious about a tiny, 2017 laptop friendly optical disc storage. Say a 2.5" RW BD layer in cartridge. A modern mini disc.
I was mostly wonder about the psychological aspect of form factor. naked optical disks are non-personal, mini discs weren't. You interacted with them freely, carried them as is in your pocket. A large enough yet tiny enough reincarnation might be "fun".