Conference takeaway
What overarching impression did the conference make on participants? Ask the audience to provide feedback.
More types of activities
Sprint retrospective
Gather feedback on the last sprint cycle to improve efficiency and productivity during the next sprint.
Team goal visualization
Ask your team to specify where focus is needed, so they'll be more likely to direct future actions toward that focus.
Teams by color
Split your participants into teams by color. Future questions can then segment responses by team.