107: "Composition" Over Inheritance

Single table inheritance, polymorphic associations, state machines and service objects, oh my!

• RailsConf Shirts- Please only order if you will be at RailsConf to pick up!
• How to Win at Monopoly and Lose All Your Friends
• Touchdown! SpaceX’s 1st Reused Rocket Lands on Drone Ship
• Little Boy Blue
• Single Table Inheritance
• Polymorphic Associations
• Tagged Union
• Canada
• Snoo

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