Polls let you ask a question and collect votes from your followers. In the post composer, tap the poll button to open the poll editor. Add your question in the post text field, then enter between two and four options. Choose how long you want the poll to run — options include 1 hour, 6 hours, 12 hours, 1 day, 3 days, or 1 week. When you're ready, tap Post to share your poll.
Once a poll is live, people can vote and see the running results. You cannot edit a poll after it has been posted.