Share some common challenges, questions you typically hear or misconceptions. This can be written or video, but make sure you are not including too much of one or the other type of media.
Observe and Analyze
Here is another chance to engage the class with online discussion. Post a video that will drive a discussion, then ask the students to share their thoughts. Push them to engage with each other, not simple respond to you. Flip Grid is an interesting app to explore here. It allows you to post your seed via video and then allows students to respond to the discussion via video as well.