The amount of knowledge human race has generated:

• Books, Texts:
It was estimated that there were about 100,000,000 books since Sumerian tablets.
There are 28,000,000 books in US congress library
24,000 texts are online
http://www.archive.org/details/texts
• Sound, Music:
2,000,000 - 3,000,000 records were ever released
18,000 free concerts on-line legally available, 700 bands
http://www.archive.org/audio/etree.php
• Movies:
Between 100,000 and 200,000 movies were ever made, a lot of them are Indian
300 movies already legally available on-line
http://www.archive.org/details/movies
Video of lectures from MIT is being put on-line (Thanks to Benjamin Franklin)

• TV:
There are about 400 original channels
20 channels are being be archived 24x7, DVD quality - about 1 Petabyte, 1 week avilable
• Software:
About 50,000 software titles ever released
Some old software available on-line legally
• Web:

Net is about 15,000,000 web sites in only like 15 years.
Way back machine - largest database ever 100 hits/sec - 5 Petabytes storage


The "must hear" Brewster Kahle's of www.archive.org incredible talk

http://www.itconversations.com/shows/detail400.html

Universal Access to All Knowledge