Startup Archive® on Instagram: "At 19, Sam Altman dropped out of Stanford in 2005, where he studied computer science, to co-found Loopt, a location-based social networking app, with classmates. Driven by curiosity and a belief he could return to school if needed, he raised over $30 million in venture capital, including from Sequoia Capital and Y Combinator, betting on the future of mobile location services. Though Loopt struggled to gain traction against competitors like Foursquare, it sold to G

50 Stanford Stories for 50 Years