Students Waiting in Book Vending Machine Line (image) New York University Share Print E-Mail Caption Students waiting in line to retrieve a book from the vending machine. Credit Courtesy of JetBlue Usage Restrictions This photo should only be used in articles about the study. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.