Dr. Valerie Barker is the chair of the JMS Digital & Social Media Research Project in  the School of Journalism and Media Studies at San Diego State University. Her most recent research focuses on the processes underlying and outcomes from interaction with various web genre – especially social networking sites. As well, she has investigated the social identity processes associated with social networking sites with regard to the role of gender, culture , and age. Dr. Barker's publications have appeared in New Media and Society, Journal of Broadcasting and Electronic Media, Cyberpsychology, Behavior and Social Networking, Journal of Social Media in Society, Journal of Communication , Health Communication , the International Journal of Aging and Human Development , Journal of Intercultural Communication Research, and the Journal of Multilingual and Multicultural Development .