> S3 is not even files, and definitely not a filesystem. I agree. To me the correct analog for S3 is a block storage device (a very weird one where blocks can

> S3 is not even files, and definitely not a filesystem. I agree. To me the correct analog for S3 is a block storage device (a very weird one where blocks can be any size and can have a key associated with them) and not a filesystem. A filesystem is an abstraction that sits on top of a block storage device and so an "S3 filesystem" would have to be an abstraction that sits on top of S3 as the underlying block storage.