Tech Tools Aid HIV Prevention (image) Columbia University Medical Center Caption To get younger men to pay attention to HIV prevention messages, try a new messenger. Texts, social media, and video games all may be effective tools to reach young men who have sex with men. Credit Columbia University School of Nursing Usage Restrictions None 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.