Re:Inexpensive backup (Score 1)

Assuming you can write 0-F in the space of 0 or 1, you'd use 1/4 the paper. 4 bits = 1 hex character. But I definitely agree, hex is the way to go. OOOH! He could encode into base 64 (0-9 A-Z a-z + *). Now we're talking 1/6th the paper!