Learn the Lingo: Design Patterns

You already use Design Patterns but probably don't know it. Observer, Facade, Iterator, Proxy -- Learning the lingo allows you to better communicate your ideas with other developers. We'll take a look at several Gang of Four patterns that we regularly use without realizing it. Don't know who the Gang of Four is? Join us to find out. No prior knowledge of design patterns is required (but some .NET experience will be helpful).