Zoom - https://mediaspace.itap.purdue.edu/media/Zoom+in+the+classroom/1_5ab3xijo
Webex - https://mediaspace.itap.purdue.edu/media/Webex+in+the+classroom.mp4/1_boog0qih
Skype - https://mediaspace.itap.purdue.edu/media/Skype+in+the+Classroom/1_0mfq31rd