- https://confreaks.tv/videos/railsconf2012-keynote-simplicity-matters
- https://confreaks.tv/videos/jaxconf2012-keynote-the-value-of-values
- https://confreaks.tv/videos/elixirconf2014-opening-keynote-think-different
- https://confreaks.tv/videos/lonestarruby2013-elixir-power-of-erlang-joy-of-ruby
- https://confreaks.tv/videos/rubyconf2013-the-big-picture
- https://confreaks.tv/videos/rubyconf2011-writing-solid-ruby-code
- https://confreaks.tv/videos/fullstackfest2015-blending-functional-and-oo-programming-in-ruby
- https://confreaks.tv/videos/rdrc2014-convenience-vs-simplicity