One might claim Corona to be a starting point, but that is actually wrong. Change of education due to digital powers is a discussion we have had for, like ages. So Corona has only been one step further into a journey that has been ongoing for long. But still; the door that now opened is worth considering, and here is what you might find when you enter that room.
Here is an interview with me, Martin Vendel and Martijn Klabbers on that matter. You might find it of interest. Particularly when I describe how I used smartphones at the center of the Stockholm central station in order to achieve live, Interactive, learning for huge number of people – but with only one singel teacher involved.