Share this postMonday February 20, 2012www.iris.reportCopy linkFacebookEmailNoteOtherMonday February 20, 2012The EditorsFeb 20, 2012Share this postMonday February 20, 2012www.iris.reportCopy linkFacebookEmailNoteOtherShareChart of the week: Who uses social networking sites?Read more: The tone of life on social networking sites