How to hide the bubble in the view mode?

This bubble is actually meant for the feature called Ludus Vox. It allows you to record yourself in few seconds in Ludus. If you want to have more information about it, read this article.

Would you like to hide this video bubble?

You just need to hit the “Hide speaker video” button located in the top controls. Make it appear again by hitting the same button.

Don't worry, if you don't record anything on your slide, this video bubble won't appear on your slide when the watcher will view your presentation.