This was a contest to show off what Elixir's Phoenix LiveView can do. More about the underlying tech at <a href="https://dockyard.com/blog/2018/12/12/phoenix-liveview-interactive-real-time-apps-no-need-to-write-javascript" rel="nofollow">https://dockyard.com/blog/2018/12/12/phoenix-liveview-intera...</a>