You can also use screen sharing if you’ve created your presentation in a non-standard way, e.g., using Prezi. Since these aren’t based on slides, the best way to present them is through sharing your screen with your audience.

The same applies if instead of using one presentation, you’re sharing multiple apps or files like spreadsheets. Rather than taking screenshots and adding them to your presentation, you can share your desktop and jump between different apps freely.

Polls
A polling tool is something that will provide both you and your audience with stats and information not available anywhere else. You can set it to be either anonymous or public.