How Much Information Is there?

• Soon everything can be  recorded and indexed

• Most data never be seen by humans

• Precious Resource:  Human attention  Auto-Summarization Auto-Searchis key technology.www.lesk.com/mlesk/ksg97/ksg.html

Yotta

Zetta

Exa

Peta

Tera

Giga

Mega

Kilo

A Book

.Movie

All LoC books

(words)

All Books MultiMedia

Everything!

Recorded

A Photo

24 Yecto, 21 zepto, 18 atto, 15 femto, 12 pico, 9 nano, 6 micro, 3 milli

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