Books were used for storage before computers. The only reason computers were invented was due to the poor fire retardant properties of the base materials used in the manufacture of books (especially those books used to upset the tribal elders of religious groups) and because books were easy to steal data from. Books have also been used to store ideas for Movies That No-one Has Made Yet.
Ted: 'It's a book'
Bill: 'WoW, that's 2665 !'
oh, just leave it on top of that book.
2. A source of entertainment.
3. A tool barely used by todays societies, because it is not 'cool' to read a book.
2. Neil Gaimain's 'American Gods'
3. Which is a shame, really, because once upon a time (and today, in countries with little money) a book was a precious commodity.
"Doood. You used like those big-wordy thingies."
"I know! My predisposition about books was totally misguided, baseless, crude and illiterate!"