Joe Murphy is a Technology Trend Spotterfor and analyst. He works independently to help libraries and more stay current in the constantly changing technology landscape.  Joe formerly worked as a Science Librarian at Yale University. He now focusses on identifying and analyzing changes in technology. Joe authors the influential Twitter account libraryfuture and blog http://joemurphylibraryfuture.com/, has a book out (Location Aware Services and QR Codes for Libraries), and gives keynote presentations around the world.