[p4bl0]

That is nice and all but I fail to see how it is particular: the situation described here is also what me and most of my colleagues did during this period (except we used instances of these software hosted by our own university). I believe it is the same in most universities.

[kkylin]

I think most universities (MIT included, and certainly mine) went directly to Zoom or something like it. GJS wanted to show you can do this with FOSS.

[kleiba]

In my university, it's Microsoft all the way.