Try listening to Sandi Metz on the Ruby Rogues podcast. It's a longish episode but she'll give you an appreciation for message-passing OO and how it makes an ap

Try listening to Sandi Metz on the Ruby Rogues podcast. It's a longish episode but she'll give you an appreciation for message-passing OO and how it makes an application design more pliable. In a pinch the (free?) "Barewords" episode of Ruby Tapas will get you close in five minutes.