How to Create and Run Polls in Google Slides

Slido is a polling service that recently released a free Google Slides add-on and companion Chrome extension. The combination of the two tools makes it easy for anyone who uses Google Slides to quickly create and launch polls directly within the Google Slides editor. 

https://www.freetech4teachers.com/2019/10/how-to-create-and-run-polls-in-google.html