http://www.bhphotovideo.com/explora/computers/tips-and-solutions/numbers-your-memory-card
Memory cards are as ubiquitous as memory itself—almost every mobile device you own has some type of built-in storage, from cameras to iPods to tablets, and almost every device has a slot to add additional storage space. And storage on a device can range from a couple of gigabytes of memory to dozens of gigabytes. You’ll soon find, though, that it’s never enough. Photographers Love CF
'The formatting protocol for SD cards was FAT16 a few light years ago'
*cringes at the use of lightyears as a unit of time…
It's also interesting how the article mentions NTFS as filesystem, while the standard for SDXC (as far as I know) is exFAT. https://www.sdcard.org/developers/overview/capacity doesn't even mention NTFS.