National Interactions (image) San Diego State University Share Print E-Mail Caption The reddish zone indicates probability of interaction. In this case, people living in New York are significantly more likely to interact with people living closer to them in real life (B) even when they have more dispersed interactions with people online (B). Credit Ming-Hsian Tsou/San Diego State University Usage Restrictions Free to publish with feature only with credit; do not repurpose for other needs. 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.