>>100222096
300,000,000 people * 100 megabytes/person
= 30,000,000,000 megabytes
= 30,000,000 gigabytes
= 30,000 terabytes
= 30 exabytes
Thirty thousand terabytes.
Plus redundancy, etc, etc.
It's not quite that trivial, but it's not too much to ask, either.