Why is it easier for me to find my oldest paper letter than my oldest file?
Digital data is lossless, why is it so hard to keep around?
Why don't I have my first program?
Why don't I have my old email?
Fossil
ZFS
Venti Arenas
Paper backup (PaperBack)
Plan 9
LOCKSS
Chord
Distributed Hash Tables
Trementina Base
DataGlyphs (http://www.parc.com/research/projects/dataglyphs/)
IBM 1360 (http://en.wikipedia.org/wiki/IBM_1360)
LVM