The item level tagging in RFID,though years away is starting to find its use in Library. These places would be a nice place to study the tech adoption
Link: Microchips keep Vatican library tidy.

“With the introduction of the so-called RF-ID (radio frequency identification) technology, that should rapidly become a thing of the past.

“You just walk in front of a shelf and you can immediately see on the screen a list of all the books and their contents,” Dr Piazzoni told the Italian news agency, Ansa. “If a book is missing, or in the wrong place, the computer signals the fact with an alarm sound.”

RF-ID technology is widely used in warehousing and retailing. But this is thought to be the first time it has been used on such a scale in a library.”