Post-Production - Do you add a sweet audio indication when something happens on the screen?

A lot of your audience will not always be looking at your video. A sweet sound can make users look at the video.

✅ Figure: Good example: Text appears on the screen with a sweet sound

Watch on YouTube: Cory Booker: Why Trump should try being nice on Twitter (at around 1:05 you will hear the sound when a text appears on the screen)