you built the ad business, google blogs, how many hats have you worn in 18 years? susan: when you join a startup, you have to be willing to do whatever the start up needs you to do. part of it, because i did not have a fixed role is always looking for the opportunity, and so, look, there is an opportunity. nobody else is working on image search. there are all these other people working on the text search but images were really cool. today that is a very popular search. i think doing a lot of things and having the freedom to move around the company, being able to see a lot of opportunities and grow them. emily: it has been 10 years since google bought youtube and you wrote the original justification plan that convince them to buy the company. what did you see back then? susan: i did a spreadsheet, but i also believed in youtube. there was one video we had and that video convinced me and showed me that people all over the world can create content and be entertaining. the video was of these two students in their dorm room and their roommate is in the background doing