This is a mode optimized for presentation.
It displays your PPT file and synchonizes the screen with the audience.
Lets the speaker send questions to the audience.
Ask questions to the audience real-time.
You can ask mulitple choice or open-ended questions.
Lets the audience ask questions to the speaker.
Ask questions anytime during the lecture.
You can also click 'Upvote' on other peoples' questions.
