Topics for next class
Student questions often go unanswered during a class discussion. Collect them before they slip way so you can discuss them during the next class.
More types of activities
Panel questions
Quickly crowdsource the best audience questions after a panel discussion.
Priority matrix
Determine which projects are both important and urgent by asking participants to map them to a graph.
Meeting agenda
Get everyone on the same page before your next meeting by collecting discussion topics in advance.