mark said it was a top priority on our earnings call and we have a lot of work to do. progresse making good in a lot of areas and we will continue to work hard. [inaudible]nuingproducts. people are continuing to use facebook around the world and we are making important investments. one of the things i am proud of is we are making massive investments in capex and renewable energy. the next year, we will be 100% renewable and all of our operations including our data centers. we will continue to make investments across the board. that was the facebook coo speaking to bloomberg's emily chang. let's bring in matthew block some. to you, first of all, why isn't facebook suffering more adverse effect? one could say from all the privacy scandals, they have more users, more advertising, it seems the users do not care at this juncture. and: i think that is right there are two or three things you can point to tell the explain. the first is where the ad revenues come from. 90% is from mobile and that speaks to the addiction we have with our phones. and the fact that facebook does have some great products that people want to use. focus, investors ask a much instagram is ma