Here is a link to a post by "Mashable/Social Media" that links to seven fantastic free social media tools for teachers.
The tools that are available today are so powerful it is hard to get our head around the potential they contain within the scope of education. When you combine the fact that they are available at no charge this combination of tools at no additional cost other than to have Internet access. We have a game changer.
We are all familiar with the term "in the future". Well, the future is no longer the future because the future is NOW!!!