the other thing that is a real question that kevin university university -- for many institutions that don't have significant endowments one of the thing the hybrid is the cross subsidy, which is you have hundreds and hundreds us to end and low division courses that then subsidize other work upstream. if it is true that some of those lower courses can be done pretty well, remember not the idea version of those courses, but the 600 students packed into psychology 101 never seen a faculty member work with das that are more or less well prepared to do that. there are ways to deliver that education, what happens to the cross subsidy? the financial model of many institutions depend on the cross subsidy. even 30% of general education courses they redefine at least that many. if even some of those happen and you could do it and the work that aside it shows you can do that with at least 60 of them. what happens to the cross subsidy and the financial model that supports the way the hybrid model works now. >> that is a great segue. i want to go one more round. he raises this question of unbundli