Aravind Srinivas (@AravSrinivas) says you can build a trillion-dollar company on America alone: “Berkshire Hathaway is worth a trillion. JPMorgan is worth almost a trillion, like $940B, & largely the customer bases of these companies are in the US.” “The US is such a recursive country. People not only spend once. Once they love a product, they spend a lot.” “People have all sorts of creative ideas to start new businesses that never existed before.” “It’s the only country that has that…