Given the research on the negative effects of overexposure to screens, it is imperative that teachers integrate meaningful and purposeful social media tools like Twitter into their curriculum. When students know how to use Twitter as a personalized search engine using hashtags, students can begin to differentiate their own learning. The link below is a comprehensive teacher's guide for using Twitter in the classroom with an extensive list of educational-related hashtags.
http://www.edudemic.com/guides/guide-to-twitter/http://www.edudemic.com/guides/guide-to-twitter/