Is Your Information Sustainable? Who remembers using an early word processor, like WordStar? What about VisiCalc? In those dark old days, many computers didn’t come with a hard drive - we stored all of our documents on removable storage media, like 8 ΒΌ” floppy disks. How many of the documents and images that we saved then are still accessible now? Even if the storage format can be read, what about the machinery to read the media.