- Five-minute "Lightning Talk" Overview, from RubyConf 2017
- Ten-minute "Lightning Ball" Version, from the Tech Talk DC Meetup
- Half-hour "Meetup Talk" Version, from the Joy of Programming (DC) Meetup
- Slightly extended (but much updated) 35-minute version, from the Arlington Ruby Meetup
- Five-minute "Lightning Talk" Overview, from ElixirConf 2018
- Slightly re-extended (and even more updated) 37-minute version, from DevConf Poland 2018
- The Codosaurus (in headers and favicon) by Fanie Grégoire, used by express written permission.
- Me: picture taken by my wife