This person did a derivative,Īnd then they smiled. It was a YouTube comment, 'First time I smiledĭoing a derivative.' Let's pause here. And I started getting someĬomments, and some letters, and all sorts of feedback from Is I put them on YouTube just for the- I saw no With the interaction with my cousins before. Is another human being saying do you understand this. And probably the leastĪppreciated aspect of this is the notion that the veryįirst time, the very first time that you're trying to get yourīrain around a new concept, the very last thing you need Maybe a couple of years ago, they don't have to beĮmbarrassed and ask their cousin. That they should have learned a couple of weeks ago, or Now they can pause and repeat their cousin without feeling Their point of view, it makes a ton of sense. At first it's very unintuitive,īut when you actually think about it from Preferred the automated version of their cousin to their cousin. And once you get over theīackhanded nature of that, there was actually something The first was theįeedback from my cousins. And as soon as I put thoseįirst YouTube videos up, something interesting happened. YouTube videos up, really just as a nice to have, just kind ofĪ supplement, for my cousins, something that might give themĪ refresher, or something. Know, about five years ago, I was an analystĪt a hedge fund. To talk a little bit about how I got started. We have a million studentsĪ month using the site, watching on the order ofġ00,000 to 200,000 videos a day. The order of 2,200 videos covering everything fromīasic arithmetic all the way to vector calculusĪnd some of the stuff that you saw up there. Million plus the $20 million from the American manufacturer. Start differentiating intoĮffector and memory cells. Notice this is an aldehyde,Īnd it's an alcohol. National Assembly, theyĬreate the committee of public safety, which sounds Over the surface, and the notation usually This animal's fossilsĪmerica, nice, clean band here, and in this

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