A topic that came up quite often at Library Camp and fittingly there’s a current article in D-lib.
These numbers suggest that many items in a specific collection may be underused, and that there is limited exchange of materials between collections. As we move forward, we will be increasingly asked if this is an optimal system-wide arrangement, especially as readers increasingly move to the network. We can think of requirements in the terms expressed by the following subset of Ranganathan's laws: books are for use; each book its reader; each reader his or her book; save the time of the user.