Horizon Project Preview K-12 2012 (particularly see page 6)

There are some good examples of how teachers have been using social media for both professional learning and teaching:

How to use social media as a teaching tool (Jan 2013)
T is for teaching (The Age Dec 2012)
Twitter in my classroom (Bec Spink Dec 2012)
How can schools take global learning to the next level (The Guardian UK Nov 2011)
Teachers unlock tweet smell of success (The Age Nov 2012)
Teaching the Facebook generation (SMH Feb 2011)
Why Bec Spink uses Twitter with her primary class (Aitken Creek Primary Melbourne)
100+ examples of social media for learning
On an e Journey with Generation Y (Anne Mirtschin Victoria)
Creating a blogging community (The Nerdy Teacher 2010)
It's not going away (Alec Couros Canada Nov 2012)
Why students should blog (Dana Edell Nov 2012)
Does Twitter improve education? (George Couros Dec 2012)

Some teachers comment about using social media for teaching (Nov 2012)


Using social media for learning and teaching (Victoria University)
Using social media - a guide for DEECD employees (DEECD 2011)

And some tools...
Twitter for teachers