so you're no longer cousin sal but yoda sal. everybody looks at you to fix this broken education system. how do we help communities of color, low income communities and poor kids without access to online technology to computers? >> it's a very serious problem we think a lot about it. we're set up as a not for profit and a free world class education for anyone anywhere. the reality today is if you go in an affluent neighborhood and down to google and ask parents how many of you use khan academy, 90% raise their hands. if we go to east palo alto or oakland, a lot haven't heard of it or don't have access to it in school or home. it's a very serious problem for us. there's this kind of classic chicken and egg problem where people have been rightfully skeptical of air-dropping ipads or laptops into a school. this is expensive and we're resource con strained. what do we do with the things? because they weren't in the classroom, a lot of resources weren't tested to see what can work. so we're hoping -- once again, it's not solved tomor