Even the 100MB/sec won’t work for long as these stupidly small MicroSDs tend to heat up A LOT and then go into throttling where the transfer rate goes down to <1MB/sec.
I'd say it's perfect for security cams or any cams using compression. You could store 14 days of 5120x3200, 60 fps, H.256 HEVC video. Or ~1 day of that at 850 fps.
For a brief moment in my life I worked as data manager in a movie set, and remember studying for that job and having to talk with the DP and the cameraman about memory cards, recorders and checking with them that the quality output of the camera were not bigger that the speed capacity of the memory cards. It was fun times, and sometimes I wonder how my life would be now if I never left Argentina and had accepted the next gig the movie producer called me for.
The first USB stick I bought, I saved up for and it was over $1/MB. It still works to this day but is so ridiculously slow and capacity limited there's no reason to.
I remember bringing a 64M USB drive to school and telling the librarians that "this is the future"
I think back then you needed to install drivers, so I was trying to get them to install drivers on all the library computers so that it would "just work" for students. Before then we used to have to burn files onto CDs or DVDs to bring them to school.
Hopefully the lifespan scales with the amount of writable space. Would be even cooler if that factor was improving over time. Any studies or articles on the topic?
If you look at the petapixel article, they complain about the speed (10mb/sec not 100) and have serious doubts about the reliability. Using this for backup or for security cameras sounds like a bad idea. It could still be good for some things like carrying your movie library on your phone, while still having a stable copy at home.