Patently O's entry on "what not to write to the Patent Office"

I suppose that most of the US patent law community has seen this by now, but if not, head to http://www.patentlyo.com/patent/2013/04/dont-write-this-letter-to-the-patent-office.html and read this. It's made one of the CBS news blogs. I'm surprised it hasn't made Roll On Friday....