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Before Tumblr, Founder Made Mom Proud. He Quit School.
New York Times When David Karp was 14, he was clearly a bright teenager. Quiet, somewhat reclusive, bored with his classes at the Bronx High School of Science. He spent most of his free time in his bedroom, glued to his computer. Bits … Why Don't Startups Like Tumblr Get Their Customers To Invest? (Instead Of Sell … Yahoo's challenge to be building Tumblr's advertising business Tumblr Boosts Tech |