Education World: From Chalkboard to "Wall" Managing the Benefits of School-Sanctioned Social Media Use

 Social media sites such as Facebook, Linked, Twitter, and MySpace allow people to connect all over the world.  People can use these sites to make connections, to learn , to "nose around," to keep in touch, to publish ideas, to vent, or to network in professional ways.  Such a public venue has pros and cons.  How do professionals and teachers  use these popular sites as tools for engagement while remaining professional boundaries?  Is it necessary to find alternate "safe" sites, or can we manipulate the system enough to bring a more educational, useful nature to social networks?  Are recorded conversations going to become some major liability because tones and contexts could be misread?  These are all questions i am trying to get to the bottom of.
Education World: From Chalkboard to "Wall" Managing the Benefits of School-Sanctioned Social Media Use