See here for the film: https://www.youtube.com/watch?v=m8FHMT57q3g.
Google will be discontinuing Google Hangouts on
the 1st of August 2019. The Google
Hangouts application is a video communications and telephone system, but it is unique
because it allows your call to be streamed live on YouTube.
See here for background: https://hpanwo-tv.blogspot.com/2019/01/youtube-recommendation-change.html.