Meet/Duo
Recordings from Meet go into a "Meet Recordings" folder in the meeting organizer's Google Drive. It just dumps as a .mp4 file so they can always just download it and edit in their video editor of choice:
Free Technology for Teachers: How to Use a Whiteboard in Google+ Hangouts
Free Technology for Teachers: How to Live Stream from YouTube's Creator Studio
Instantly Screen Share from Your Chrome Browser to a Google Hangout - BetterCloud Monitor
Free Technology for Teachers: YouTube Live Will Replace Google Hangouts On Air
Teachers Guide to Google+ Video Hangouts ~ Educational Technology and Mobile Learning
5 Good Google Hangouts Apps for Teachers ~ Educational Technology and Mobile Learning
Google Hangouts–Are You Using Them Yet? | Ask a Tech Teacher
Let’s Hang! 10+ Ways to Spark Collaboration with Google Hangouts | Teacher Reboot Camp
http://www.educatorstechnology.com/2013/10/google-hangouts-guide-for-teachers.html