The yale experiment was a failed experiment. The clause that actually made it fail, other than being a group cohort, was they let the high erners buy out from the i say for a denominal price. So all the higherning students bought out of the contract, and it left nothing but the lower loaners, free loaders. We have those sos itas. It was ha failure of an experiment. That was the second incarnation of as the recent is experience is within the past five years. Schools are using at perdu university is the most well known school using it. It's also been adopted by trade schools. Skill based learning, up skillingre sk