Graduation Year Drives Facebook Networks For College Grads (image) North Carolina State University Share Print E-Mail Caption Sharing a graduation year, rather than other factors, drives online social networks for college graduates. Credit North Carolina State University Usage Restrictions Image credit must be given. 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.