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Discord is laying off 17 percent of employees
(www.theverge.com)
This is a most excellent place for technology news and articles.
OBS + Virtual Camera
In typical Linux fashion, you need to install additional bullshit to get basic functionality: https://obsproject.com/forum/threads/obs-virtual-cam-on-linux.134849/
In this case, it's the ever-popular "v4l2loopback-dkms". Should be available in your repositories.