david: we talked to felix gillette, one of the authors of that story, along with sarah frier. lix: he wants the world to know that twitter has an identity, and it knows what its identity is. over the past 10 years, a lot of people were like is it a social network, is it a social conversation, what is it good for? is it good for media, for celebrities? twitter never had a strong response. his first response is twitter is live, a conversation happening now. it is a public conversation happening all over the world about big events taking place. that has been the focus, and it helps to have some sort of identity in terms of part of their big challenges. it is not just a marketing challenge. convincing the hundreds of millions of people who have already used twitter and decided it was not for them. they have to get those people back and give it a second chance. it is harder than getting people to check this thing out for the first time. david: when i turned to twitter, it is during the big event. the academy awards, if there is a presidential debate on. i gather what jack dorsey wan

david: we talked to felix gillette, one of the authors of that story, along with sarah frier. lix: he wants the world to know that twitter has an identity, and it knows what its identity is. over the past 10 years, a lot of people were like is it a social network, is it a social conversation, what is it good for? is it good for media, for celebrities? twitter never had a strong response. his first response is twitter is live, a conversation happening now. it is a public conversation happening all over the world about big events taking place. that has been the focus, and it helps to have some sort of identity in terms of part of their big challenges. it is not just a marketing challenge. convincing the hundreds of millions of people who have already used twitter and decided it was not for them. they have to get those people back and give it a second chance. it is harder than getting people to check this thing out for the first time. david: when i turned to twitter, it is during the big event. the academy awards, if there is a presidential debate on. i gather what jack dorsey wan

david: we talked to felix gillette, the author of that story, along with sarah frier. >> he wants the , and it been the focus helps to have some sort of identity in terms of part of the big challenges. , convincing the hundreds of millions of people who have already used twitter. they have to get those people back and give it a second chance. it is harder than getting people to check this thing out for the first time. when i turned to twitter it is during the big event. i gather what jack dorsey wants to do now, create more live events. we used to be the super bowl. let's see if we can make each nfl game a live event and have fans of those teams have conversations in the same way that people gather to talk about the super bowl. and even lower than that, he has very high hopes for periscope, this live streaming app that they bought last year. periscope basically lets anybody with a smartphone, turn it into a live streaming device, and on periscopethat but also on twitter, and part of what he sees in the future is suddenly there is live events happening in your neighborhood, like on a m

user growth has stalled and felix at gillette joins us with the cover story of bloomberg news who satth jack dorsey for an exclusive. what did you learn? >> they've got a big problem and jack dorsey thinks it's basically marketing and product. the user growth has stalled at 420 million users. many people of already tried twitter and decided they don't like it. part of the challenge is getting those people back. stephanie: what is his solution? >> part of it is convincing people that you don't have to tweet to use twitter. you can sit there and listen and twitter is the best place to listen to whatever world events you are interested in. it could be sports and politics or information -- or entertainment. stephanie: they need to make money at the end of the day. >> the advertisers like the product and advertising is growing quickly which is the best thing they have going for them but the advertisers want a bigger group of users. they want closer to what facebook has. stephanie: if you think about facebook and the acquisitions they have made, you cannot compare it to twitter. whopping $8