A petabyte, as a remind… is 1,000 terabytes.
A terabyte, as a …. is 1,000 gigabytes.
A gigabyte ….. 1,000 megabytes.
So 70EB is 70 billion gigabytes. If true, that’s an astonishing total. S3 is just a mewling and, sometimes, puking infant. What’s it going to be storing a few more years time?