What Clark means is that libraries have shifted from simply being storehouses of books to a medium to help "bridge the gap between the haves and the have-nots".

In fact, the more information flows throughout the entire society, the wider the gap becomes between "information haves" and "information have-nots," leading to digital divide.

In fact, the more information flows throughout the entire society, the wider the gap becomes between "information haves" and "information have-nots", leading to digital divide.