recently updated the chat service to provide more chat room options and better streaming.
The most recent significant improvement is the full screen expand option found a the upper right of the chat area.
This video is very good if you have a difficulty understanding shock.
This video covers what happens to your blood vessels during shock, and briefly covers the different types of shock.
A channel chat room allows the room host to view all chat room participants webcams and the room participants may view only a large broadcast stream of the room host.