Joe Murphy is a Technology Trend Spotterfor libraries. He works independently to help libraries and more stay current on the constantly changing technology landscape.  Joe formerly worked as a Science Librarian at Yale University. He now helps libraries, publishers, and beyond, identify, analyze, and act upon technology trends. Joe authors the influential Twitter account libraryfuture and blog http://joemurphylibraryfuture.com/ and has a new book out, Location Aware Services and QR Codes for Libraries.