Here is their post about it:

http://news.berkeley.edu/2017/03/01/course-capture/

Let's archive it all! You can use this script:

https://rg3.github.io/youtube-dl/

The script can automatically download entire youtube playlists in one go. Just give it the url of the playlist.

Let's organize who's downloading what here:

https://pad.riseup.net/p/cal_webcast_archiving

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marc/juul