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Storing all we’ve read, heard, & seen

Human data-types     /hr/day (/4yr)/lifetime

read text, few pictures200 K2 -10 M/G60-300 G

speech text @120wpm  43 K0.5 M/G 15 G

speech @1KBps 3.6 M40 M/G1.2 T

stills w/voice @100KB 200 K2 M/G60 G

video-like 50Kb/s POTS 22 M.25 G/T 25 T

video 200Kb/s VHS-lite 90 M1 G/T100 T

video 4.3Mb/s HDTV/DVD 1.8 G20 G/T    1 P

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