david karp started tumblr before he was 20. he sold it to to yahoo! for about $1 billion before he was 30. it is now one of the most creative and social blogging platforms, all from a guy who dropped out of high school, lives in a loft, and drives a vespa. joining me today on "studio 1.0," tumblr founder and ceo david karp. thank you for joining us. thank you for having this on the schedule. >> i do have a schedule now. >> now you are part of yahoo!, you have meetings. >> we had meetings before yahoo! this has turned into a major team of 300 people. a pretty major business that we launched a year and a half ago. >> tell me about you, where you grew up. tell me about your parents. >> i was born and raised in new york city. my mom was a teacher. she started in the music industry. my dad was a composer. did a lot of work for television, particularly in news. i found myself surrounded by all of this creative technology growing up. in my dad's recording studio. in my mom's work in the recording industry. i remember spending those nights and weekends in the