After reading this post by Chet Haase, I started to think about the quantity of the developers that don’t have a clue about design patterns. If they could imagine how empty their life is…
To learn more about Design Patterns, read the first and the best book “Design Patterns: Elements of Reusable Object-Oriented Software” (ISBN 0201633612) by the Gang-Of-Four. If you want an easy reading you may try the “Head First Design Patterns” (ISBN 0596007124).