Zach Yadegari, the 18-year-old CEO of $30-million ARR calorie tracking app Cal AI, shared a list of colleges that rejected his admission application, which included Harvard, MIT, Stanford, Yale, Columbia and Princeton. "That's nuts," Reddit Co-founder Alexis Ohanian reacted to Zach's X post. "You've a high probability to drop out," one said, while another asked, "This is a joke, right?