A great write up on the basic idea of how we use data and how those things change when the amount of data increases by a couple orders of magnitude.
If I were to convert the storage on my cellphone to floppy disks on my old Apple clone, it would require about 57,000 disks. That would be a stack of floppy disks almost 500 feet high.
…A gigabyte is a billion letters. What does that mean? We just don’t think about it.
Good Math, Bad Math : Scale: How Large Quantities of Information Change Everything.