I will once again plagiarize myself by transcribing a talk I gave. First: be warned! I offer this gesture of respect to you — yes, you! — when I say that this is at least 20 minutes of reading. This is long even for me. If you're surfing reddit, gobbling up little information snacks, then it's best to think of this entry as being more like a big downer cow. Unless you're really hungry, you should