You should really choose a lesson from kids and educate your self to have an open up head, free of pre-conceptions and inhibitions about both of those spirits and the unseen. With the API demos set up (that was the -a alternative), you can open https:/// in a browser (exactly where is the hostname you specified in the `bbb-install.sh` command), enter your identify, and simply click 'Join' to be part of 'Demo Meeting'.