Nice one DG!
Here’s the same PDF I think:
And the slides from the page you posted:
https://dl.acm.org/action/downloadSupplement?doi=10.1145%2F1238844.1238850&file=erlang.pdf
They also have a downloadable video:
https://dl.acm.org/action/downloadSupplement?doi=10.1145%2F1238844.1238850&file=m6-armstrong-h.mov