so we started to create these very short videos based on, corestates tanners, much like tapping intoexpertise of great teachers and then it grew from there, were restarted to say what if it wasn't just amazing teachers, but teachers from charter, private schools around the country we did this in an organized fashion. so that's what we're doing right now. it's interesting reading the report that my first reaction was this is exactly what adam frankel at digital promise and i have been talking about in terms of new technology. how do we rapidly test it, right-click suddenly see a paper and call them up. of course ciardi knew them and has been talking to them. so i think this is really what because entrepreneurs starting something new -- in many ways i was in a lucky position because i was in the schoolcommissars it's getting a prototype and test really quickly within several weeks time of what made sense and what didn't makes sense. and so that was something to the extent that we can make that more systemic so much printer is a don't have to be principles and safe schools can the feedb