follows revelations that millions of users had their information shared with a political consulting group, cambridg analytica. but did his answers satisfied the senators? it was the interrogation he feared and had long resisted. mark zuckerberg has never testified before congr now with the eyes of the world on him, the spotlight promises high drama, and delivered it. statementpared zuckerbergn said this was om. mark: weidot take a broad enough view of our responsibility, and that was my mistake, and i'm sorry. started facebook. i'n it. and i'responsible for what happens here. reporter: the charge at his door, that in building the most astonishing network in human history come he built a surveillance tool that imperils us all. >> let me cut to the c ose. if you aer social media companies do not get your act in order, none of us are going to have any privacy anymore. reporter: mr. zuckerbergs a shy, awkward, and usually wears a t-shirt and jeans. here he was looking like a nervous schoolboy in a dell fitting uniform. he recognized that the company made huge error in not telling lithe 87 m users they

this after revelations that consulting group cambridge analytic have managed to access days have belonging to the seven million facebook users without their knowledge or consent. are you willing to your business model. where you are. continuing to make changes to reduce the amount of. your business model. congresswoman i'm not sure what that means it's the biggest crisis in the social networks fourteen year history while it's well known that the company makes its money out of advertising few people understand how we don't work in practice. and the idea that the platform could have enabled foreign actors to influence the twenty six thousand us election has sent alarm bells ringing. the turks are part of this just on the basis that somebody's. got to protect so. yes. yes community so copernican self has acknowledged that regulation is quote inevitable but so far it's unclear how any laws might look and more importantly how they could be enforced since the cambridge analytical scandal broke shares of facebook have declined steadily. chinese president xi jinping delivered a highly anticipated

follows revelations that millions of users had their information shared with a political consulting group, cambridge analytica. mr zuckerberg said that facebook did not take a broad enough view of its responsibility and that it was his personal mistake. here's our media editor, amol rajan. it was the interrogation he feared and had long resisted. mark zuckerberg has never testified before congress. now, with the eyes of the world on him, this moment in the spotlight promised high drama and delivered it. in his prepared statement, zuckerberg said this was on him. we didn't take a broad enough view of our responsibility and that was a big mistake. and it was my mistake and i'm sorry. i started facebook, i run it, and i'm responsible for what happens here. the charge at his door, that in building perhaps the most astonishing network in human history, he had created a mass surveillance tool that emperils us all. in order, none of us are going to have any privacy anymore. mr zuckerberg is shy, awkward and usually wears t—shirts and jeans. here he was looking looking nervous schoolboy in an ill—fitting un

under fire after the information of 87 million users may have been shared with political consultant group cambridgee whistle blower appeared on meet the press and says it's unknown who has the data now. >> part of the reason why i spoke out was so that this could be looked at. because i think there is a genuine that they the data has been activated by quite a few people and could be stored in various parts of the world including russia. >> facebook plans to notify affected users tomorrow. >>> a look at the weather. we had such a soggy friday and saturday. today it was so beautiful out there. >> once that atmospheric river exited. i saw everybody outside. did you manage to make it out? >> yeah. >> that's where i did too. we can expect to see one more dry day and at least we'll get warmer. i am tracking a couple changes in the forecast. let's get to the current temperatures. you make your way into the over night hours. expect temperatures to remain fairly mild in the 50s for the most part. 56 degrees right now. 51 for the trivalley. south bay at 54. we are expecting mostly clear skies. not really a c

consultants in cambridge analytical which worked for the twenty sixteen campaign testers and they are refusing to back down and are now calling for the resignation of president daniel ortega human rights groups say at least twenty six people have been killed in a violent crackdown by police on protests that erupted last week after take a launch to plan to overhaul the country's welfare system here for the up to date those the top stories a.j. selects is up next as always thanks for your company but by. in the lead up to historic when here is the real economy. al-jazeera look life in the world. join me james bay for a series of special reports from north korea. here on al-jazeera. the. but. yeah i'm. being. that you have to be a superwoman. to be a hero. by. one of them. or you know. unspeakable louis's impulse of course. by the end only i do when i mean i'm not a mom i have moments the weakness i have enough men is ours and the fear but. because of our life. it's a risky one. but it's about controlling the. still plotting to be you me in them invisible distracts them. to find holes in them in below. the fly and have been in the middle. decade living. i'm trying to. teach children also. every

users are being informed this morning that their information was shared with cambridge analytica, that political consulting groupign in 2016 and there could be really serious far-reaching consequences to this. if your information was shared, experts tell us it's possible that advertisers could use it to specifically profile and target you in the future or worse it could be used as cyberblackmailing. >>> a very special day for robin. she's been honored with the distinguished service award by the national association of broadcasters, the recognition given to those who have made a significant and lasting contribution to our field, a perfect description of robin's career. in her acceptance speech she spoke of the people who helped her along the way especially her family thanking them for teaching her the importance of service to others and has advice for broadcasters working today. >> i know that these are very uncertain times in our industry and the world for that matter, but why not choose to see uncertainty as meaning there are endless possibilities. along with uncertainty comes fear. when fear knocks, let faith

tries to deal with the fallout from the cambridge analytica scandal when personal information from more than 80 million users was obtained by a political consulting grouphout consent. facebook says they have been up front about the recognition tool since the rollout seven years ago and users can turn it off to stop being recognized in photos. brett larson, fox news. >>> there is an app in san francisco working to help people living on the streets in need of mental health care. coming up, we will talk about the person behind the app. >>> i will have your weekend forecast coming up. you could save energy by living off the grid. completely. or... just set the washing machine to cold. do your thing. with energy upgrade california. >>> san francisco's 311 happened gives the option to have police come out to people who may need help on the streets but sometimes if those people are having a mental break, what they need is a mental health expert and that is what one app provides for those in need. we are joined by jacob savage who was the cofounder and program director of the app. if i am on the street and i see someone in crisis, how would i use your concern

consultants the cambridge analytical which worked for the twenty sixteen campaign test as a nicaragua are refusing to back down and are now calling for the resignation of president daniel ortega human rights groups say at least twenty six people have been killed in a violent crackdown by police on protests that erupted last week after take a launch to plan to overhaul the country's welfare system here for the up to date those the top stories a.j. selects is up next as always thanks for your company but by. in the media this story when we see the real me. the real life in the world. join me james bay for a series of special reports from north korea. here on out you kiran.

consulting firm cambridge analytica, that's more than the 50 million first thought. the firm denies that, saying licensed data for more than 30 million. and still the number of people compromised too high for online watchdog groups. >> it shouldn't be by default that their information is shared in ways they haven't asked for it to be. >> reporter: starting monday, facebook will provide a link so they can check if their information was shared. it will also announce other steps towards overhauling security. >> i think they are needs to be little more oversight. >> reporter: zuckerberg is heading to congress to testify next week. >>> what started out as a tweet from a dissatisfied visitor to san francisco on business has turned into a major public relations problem for the city. >> many people are asking whether the city is safe. >> that's right. about 25 million visitors come here each year. a quarter of them business travelers. but now some of them no longer want to leave their hearts in san francisco. remember last month's game developers conference at the moscony center? the 28,000 professionals were here testing out games and virtual rea but tiality. one tweets, my card was scammed. i was in a mugging. i was r

consulting firm cambridge analytica, that's more than the 50 million first thought. the firm denies that, saying licensed data for more than 30 million. and still the number of people compromised too high for online watchdog groups. >> it shouldn't be by default that their information is shared in ways they haven't asked for it to be. >> reporter: starting monday, facebook will provide a link so they can check if their information was shared. it will also announce other steps towards overhauling security. >> i think they are needs to be little more oversight. >> reporter: zuckerberg is heading to congress to testify next week. >>> what started out as a tweet from a dissatisfied visitor to san francisco on business has turned into a major public relations problem for the city. >> many people are asking whether the city is safe. >> that's right. about 25 million visitors come here each year. a quarter of them business travelers. but now some of them no longer want to leave their hearts in san francisco. remember last month's game developers conference at the moscony center? the 28,000 professionals were here testing out games and virtual rea but the one tweets, my card was scammed. i was in a mugging. i was racial