On Oct. 19, 2013, thousands of programmers, engineers, and designers joined a lineup of amazing speakers for Y Combinator's Startup School 2013.
The list of speakers included industry heavyweights like Facebook's Mark Zuckerberg, Twitter and Square's Jack Dorsey, and venture capitalist Chris Dixon, among others.
Gregory Koberger attended each of their presentations and put together a set of wonderful, illustrated notes using the Paper app for the iPad. He graciously provided high-quality versions of his notes for the benefit of Business Insider readers.
Phil Libin - Evernote
Dan Siroker - Optimizely
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