http://www.nytimes.com/2011/12/18/business/media/rules-to-limit-how-teachers-... Teachers who carry on inappropriate relationships with students over social media get a lot of attention, and as a side-effect some schools are thinking that social media is the problem and they're banning their staff from using it. I think this is misguided and fails to recognize the positive uses of social media for both teachers and students.