To control your Attendee list and Chat windows showing during your Webinar, navigate to the additional options menu at the top of the page and click on Webinar Options:
In this sample we have the Attendee list OFF and Chat is ON.
If you want an Attendee to speak or present material during your Webinar, you may promote them manually. Mouse over the icon as shown:
You can also see that you will easily know what your audience is feeling as you progress by the emoji's at the top of the attendee list.
**Remember that all Attendees in your Webinar are muted. In order for them to speak, you will need to promote them to Presenter.