it to xu -- it's interesting as well.ld trump has got a conundrum in front of him as well, hasn't he? the sense that he launched the limited strikes this time last year and really they don't seem time last year and really they don't seem to have been a difference stop he doesn't want to risk a war with russia in syria, does he? what are his options? as his press secretary sarah huckabee sanders said today, all options are on the table. last year, when there was the nerve gas attack, he responded with cruise missiles. we wonder if he has to go slightly further this time. he's promised to act forcefully. i think he's under pressure. he's sort of drawn himself a red line over this issue, so he's got to act. and yes, you're right. perhaps he does not wa nt you're right. perhaps he does not want to get drawn into a huge war in the region with some any kind of different players, and russia on the other side... last week, he said we're coming of syria. he changes his mind of course, but was very clear, "we've had enough, we're c

facebook is still important so is instagram and xu know snap chat andt.t.loye all the otherse topoor means of communication champion and they are nominated by liberals what do you do. >> he got a question about who is his competition. answer was he doesn't have any. i hope there are conservatives who are young and e entrepreneuri entrepreneurial minded challenge this. time.can be done over other than that at the moment i think your series on defending the first is excellent. woe have to publicize this. get the word out whether on television or print and let people know how this game is working it is not good. iothat is right and take zuckerberg out. wants the community to be okay, take you at your word. >> now let's seat wroof. >> well is no trade war to report on tonight. we will tell you about trump's trade vict row with china and what it mean for you, pocket book and our commuter when you come back. >> favorite scare tactic used by both parties is to claim that president trump is about to start a trade war with china. you heard that at the top of the show. rather than a war chines

. >> reporter: sensetime's xu believes people will be more comfortable having their movements trackedbut until then the privacy debate may prevent u.s. tech companies from competing. >> it takes time the u.s. and the world can see that there's no harm to use those technologies >> and i'm told that the other big advantage for china is the volume of data because of the size of the population, chinese companies are able to collect data on over 1 billion mobile devices brian? >> numbers everywhere. so big eunice yoon, interesting stuff on ai. thank you. >>> a lot more to do on "worldwide exchange" including a double dose of space news. first up, spacex on a quest to find new planets it's the big launch that has everybody buzzing today. >>> later, how one miami luxury apartment building is taking a page out of the jetsons. you have to hear this story. stick around ♪ tired of constantly battling lingering smells in your home, like pet, shoe, and body odors? for long-lasting, continuous freshness, try febreze plug. febreze plug provides 45 days of freshness, with a unique dual chamber design

. >> xu li is the ceo of sensetime, one of china's most artificial intelligence companies and has createdas for the government that can help catch criminals and catch average citizens. >> this knows every person, every bike, every car. >> it determine whether it's a child, adult, male or female. >> in several big cities including here in shanghai, the government is tracking jaywalkers. cameras record them going through intersections, zero in on their face and publicly shame them on nearby video screens? ken dewoskin has scud ed chinese economic and political cull toor for three decade. he says how the new scoring system is kept secret and can be easily abused by the government. >> how far into the mundane activities does this go? >> the people running the government and plan would like to go further, to figureut how to impact benefits and shape their behairoff. >> reporter: there are upsides for the people the chinese government considered trustworthy. they can get better interest rates at banks, discounts on their energy bills and china's largest online dating site reportedly boosts the