Google Hangouts are limited to 10 participants on a regular video call. I
was poking around, and it looks like there's a variant called "Google
Hangouts On Air", which can have 10 interactive participants and an
unlimited number of view-only participants who can see the video stream and
We have two people on the waitlist for this meetup, so we'll give this a
try. I'll plan to start up the hangout about a half-hour before the
scheduled start time, so join in a bit early if you want make sure any
technical issues are sorted out.