摘要 : Social media and new media are becoming increasingly important in the lives of preteens and teens. This article reviews what is currently known about positive and negative effects of social media, social networking, and internet u... 展开 Social media and new media are becoming increasingly important in the lives of preteens and teens. This article reviews what is currently known about positive and negative effects of social media, social networking, and internet use and what safety measures should be considered. 收起