James Bagrow, University of Vermont (image) University of Vermont Share Print E-Mail Caption UVM professor Jim Bagrow led a new study, published in Nature Human Behavior, that suggests privacy on social media networks is largely controlled by your friends. Credit Joshua Brown Usage Restrictions With coverage of associated story. 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.