Social Strategist Su Butcher explains in this video series how social media can support BIM. These presentations come for the UK, but I think that the ideas that Su presents are universally applicable.
Why Social Media for AEC?
How Can Social Media Support BIM Knowledge Sharing?
How Can Social Media Support BIM Workflows?
How Can Social Media Democratise Building Design + Operation?
Collaborative Working for BIM
Conversations: People Will Talk
Mistakes: People Will Find Us Out
The series was published on YouTube.