Online Social Networks No Longer Just for Teens

Talk about social networking on NPR's blogs:
Andy Carvin, NPR's senior strategist for online communities, describes how online social networking sites are taking off among adults.
No longer the domain of high-school and college students, today parents — and even grandparents — are logging on and finding friends.
Guests:
Andy Carvin, NPR's senior strategist for online communities
Christine Rosen, senior editor at New Atlantis Journal and resident fellow at the Ethics and Public Policy Center; author of the article "Virtual Friendship and the New Narcissism."
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