5. The Ruby Language
✔ Yukihiro Matsumoto “Matz” in 1993
✔ Dynamic | Object Oriented
✔ Open Source
✔ Gem Infrastructure
✔ Built for programmer happiness
✔ Expressive
6. Ruby on Rails
✔ David Heinemeier Hansson in 2004
✔ Pragmatism
✔ Convention over Configuration
✔ DRY
✔ Open Source