摘要：Bandura remarks that the evolving information technologies will increasingly serve as a vehicle for building social network. Dahlgren notes that journalism is carried out in specific institutional circumstances, within concrete organizational settings and under particular technological conditions. Bolter and Grusin contend that a medium is that which mediates. According to Singer, newspapers have struggled with a potential transition from their role as guardians of what enters the public to builders of a virtual commons.
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