To participate you need these items: - A gmail account - An active gmail session (which you get after you login to gmail) - This invitation: https://meet.google.com/hwr-tckv-ozq
During and after you join, it will serve you two important controls: - microphone - video camera
You should click each of those to disable both your microphone and your camera.
Also it a good idea to keep your phone away from the microphone.
If you have a headset with microphone, that is an optimal setup.
If you are using default speakers and microphone on your laptop at a noisy place like Starbucks, that is suboptimal and probably problematic.
Currently the presentation materials are available so you can study them at your leisure: