I did attend the session, the session started after 45 minutes of delay. The organizer were saying delay was due to technical issues since there were so many participants participating which they did not anticipated. There were Q&A session but the answer were not that concrete. The answers were I think you can do it....

But people here are looking for definitive answers what will happen if scenario A happens or scenario B happens for a particular visa status. Even if you missed the session you didn't loose anything at all. I am hearing that there is one session in NY for June 28.