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
Meeting agenda
Get everyone on the same page before your next meeting by collecting discussion topics in advance.
Word cloud
Visualize words from audience comments, questions, and thoughts as a word cloud.
Competition
Ask a series of questions and declare a winner at the end for the person who scores the most points.