nicola mendelson.a listen to what she had to say. >> we want to make sure that people are seeing the information that matters most to them and if they do not want to see that, they can choose to block it. i, whatake news as about a potentially bigger problem is that facebook and twitter have created an infrastructure in which we can live in our own little bubble, interact and only see news from people that we like and whose views we share. is that potentially a bigger problem? >> i think it is more than potentially a bigger problem. i think most users of facebook is something -- that this is something they have experienced. i asked zuckerberg on stage economy. -- sage economy. that they need to do something a little different to put a brake on that. the problem, and i think your colleague sarah frier said some very smart things the other day on your show -- they want to do what is best for the user and that is sort of what nicola mendelson was saying as well. if they think it is affecting the user expe

emily: bloomberg did just interview a facebook vice president in london, nicola mendelson.e a look at what she had to say. >> we want to make sure people are seeing information that matters most to them, and if they don't want to see that information, they can choose to lock it. emily: fake news aside, what about a potentially bigger problem, which is that facebook and twitter have created an infrastructure in which we can , interactr own bubble and only see news from people we like and people whose views we share? is that potentially a bigger problem? david: i think it is. i would say most users of facebook would say it is something they experience. i specifically asked zuckerberg about that in the interview, and he said that the problem was more that people get the contradictory views in their newsfeed they don't read them and just scroll by, which may be true, but one could argue that they need to do something a little different that me put a brake on that. i think the problem -- your colleague sarah frier said something yesterday, that they really want to do what is bes