I was delighted that the eLearning Guild invited me to write up the results of their ongoing "Social Media for Learning" report. The 2011 version is now available to Guild members. Results showed great enthusiasm for using social media for learning, and widespread (83% of respondents!) belief that social media for learning was worthwhile.
There's a brief excerpt in my October "Nuts and Bolts" Column for Learning Solutions if you'd like to take a look there.