>>10214
These lads claim to have had "over 8 petabytes of data on 4 billion sheets of A2 paper" - "Store data on paper: 2MB on a sheet of A2! Revolutionary new storage technology from Livedrive":
https://inv.tux.pizza/watch?v=b0nIWZKNWA0

A2 is about 4 times larger that A4 paper. Both are physical paper (obviously), and A4 is the standard consumer printer paper. Based on the numbers from www.livedrive.com - each side of one sheet of A4 paper can hold 256 kilobytes. 256K is a multiple of 2 and is a significant number in various computer applications such as peer-to-peer technology (piece/chunk size).

>>10288
*MHA has
*via a book or video or whatever.