Other ways to create online content for students.
Making a .mp3 w/Quick Time and iTunes —
https://docs.google.com/presentation/d/1XvVKfk8HuS4dQqcGe7shHEb5Zb5hjKQD94NYMsF9bAY/edit?usp=sharing
Making a Screencast w/Quick Time or Screencastify on your MacBook -