there isn't enough data in all of earth's books to fill up a single exabyte of space
a massive amount of storage, amounting to 1024 [petabytes], the same as 1024^2 [terabytes] and 1024^3 [gigabytes]
"there isn't enough data in all of earth's books to fill up a single exabyte of space" What is the definition of "exabyte"?