Your questions and the fluther’s answers have now added to the sum total of human knowledge. What has been learned cannot be unlearned.
Except Algebra and English grammar and spelling, apparently. Those seem to be entirely forgettable. Oh, and manners. No one seems to remember those. Well, there’s History, too.
Damn. I guess everything is eventually forgotten, and your Q&A probably will be, too, one of these days.
Looks like it worked, this is the only question showing on your profile.
You should think about other people who are interested in the same information sometime in the future. They will look on Google, and see all the questions we ask and answer, and be able to find the information here.