 uh no i think it's brilliant and you know it's one of the things that we're looking at doing because what you've seen is the textbook publishers hey they've got a pretty good deal of things right well hey you know you got to buy these books from us every year we have statewide contracts and then you know every few years we have to create a new one and we tell you that you really need to buy the new section of it and so millions and millions of dollars give these textbook companies billions nationwide when the reality like you said history doesn't really change right you might find some new evidence here and there but for the most part we're not changing it much especially if you use primary sources which is