How 19-Year-Old David Karp Got A Huge Check From Spark Capital's Bijan Sabet To Start Tumblr

Bijan Sabet, a general partner at Spark Capital, told us at Startup 2013 last week how he met David Karp, and why he spent a summer trying to convince the young entrepreneur to start Tumblr. Sabet collected $77 million after Spark Capital's $13 million investment in the blogging platform turned into $192 million when the startup sold to Yahoo. Click for sound.

Produced by Kamelia Angelova, Alana Kakoyiannis, and Will Wei