I like that. Those four disks cost less than $1 each, and each individual one holds over one million bytes? Amazing. They sound so useful that I bet people bu

I like that. Those four disks cost less than $1 each, and each individual one holds over one million bytes? Amazing. They sound so useful that I bet people built whole collections of them, including devices just for organizing and protecting. I can even imagine a hobby industry of unneeded tools for dealing with them.