I would like to encourage NorCal and every other group to either stream or do real-time participation.
I think that we will try to stream the next SoCal meeting over the Code4lib YouTube channel. I haven't had great experiences doing "webinar" style participation with this type of event. The technical side is fine, but it is disruptive, and I prefer streaming with feedback/questions through IRC or Twitter,
If any other group wants to do this, please contact me out-of-band, and I will help you.