To ask questions of panelists during a live Q&A, you can do so in the chat box and vote up your favorite questions. When you see a “Have a question?” prompt; click Ask to participate.
You can type in your question in the text box at the top. Toggle on the Ask anonymously switch if you don’t want your name to be displayed next to the question.
You can see your question and all other questions below, either in the order in which they were asked (Recent) or in order of those with the most votes (Popular). You can vote on any question by clicking the thumbs up icon next to it.