Yes, I'm the author. I didn't know anything about this before seeing those 2.5 secs in the video, going, hold on, what is this? So I went on to find out, and th

Yes, I'm the author. I didn't know anything about this before seeing those 2.5 secs in the video, going, hold on, what is this? So I went on to find out, and thought it may be interesting to share. (Because, well, as I have now found out, what would be the point in sitting on this piece of information? :-) )