i'm biz stone. [man] now, what happened yesterday? oh, we got funding for twitter. dreamy electronic music] [man] you've got a lot of good press. in fact, there's a san francisco chronicle article right behind you. [biz] i remember telling jack early on, "hey, ev and i had lunch and we think you should be the ceo." and jack was like, "me? doesn't ev want it?" [evan] i didn't want to do it. i had done that for a long time. i had just done that and i was like, "ugh, i don't know if i want to do it. " twitter is cool. it's intriguing. i want to see it succeed, but i don't want to run it. looking around the room, jack was the driver of the idea from day one. i thought it made sense. like, he was technical. so i was like, "jack, run with it." he was definitely inexperienced for the job, but it was still tiny. jack dorsey, twitter's daddy, ceo, right? -right. -[laughter] [jason] when he was just the engineer, he had a nose ring. and then when he became ceo, he took the nose ring out as a sign of dedication to this new serious job, like a real... like a grownup or whatever.