we spoke with joanna bradford. they have been testing this for several months.worked and what hasn't? >> people have brands that they love to pin. it is a visual discovery tool. brands have many different brands to tell the story of their brand. if your banana republic, it might be about dressing for work. if you are kraft it might be about planning a birthday party. they are using the organic platform. >> are there any brands in particular that do well on pinterest versus others? >> that is one of the things we are trying to figure out. what we found is promoted pins work about the same or better than regular pins. we think there are great possibilities for marketers to be able to scale and pin all sorts of different things. if you are lululemon, you might pin fitness food. you might pin travel ideas. >> had you get these brands on board? how do you choose who to give the opportunity to? i have heard that more brands want in and you have not been ready. >> we have been in for six months. we have hired a team. they are analytics and data driven. they have to be