impact: is an American for-profit company and associated community that features problems and courses in mathematics, physics, quantitative finance, and computer science. It operates via a freemium business model. Brilliant was founded in 2012. At the Launch Festival in March 2013, CEO and co-founder Sue Khim presented the idea of Brilliant, attracting funding from venture capitalist Chamath Palihapitiya. In August 2013, TechCrunch reported that had raised money from Palihapitiya's Social+Capital Partnership as well as from 500 Startups, Kapor Capital, Learn Capital, and Hyde Park Angels and that the website had over 100,000 users. As of July 2017, the website has over 4 million registered users, and as of April 2019, the company had reached a valuation of $50 million. More information...

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