Article is talking about data on a volume ("at least 6TB") that - thus far - staggers our imagination: we still fall safely into the "100s of GBs" range, and that includes photos & the small amount of digital home video we have shot.
Still, there were some interesting ideas presented, although the one I liked best was:
"What about printing all information in binary and storing in multiple cabinets? No one tought of that?"