apple c.e.o. tim cook has refused to do so. and though we interviewed him prior to the attacks, cook has since told us that apple is cooperating with authorities to combat terrorism, but he has not changed his position on encryption. in t t government, they say it's like saying, you know, you have a search warrant, but you can't unlock the trunk. >> cook: here's the situation is on your smart phone today, on your iphone-- there's likely health information, there's financial l formation. with your family or your co- workers. there's probably business secrets. and you should have the ability to protect i i and the only way we know how to do that is to encrypt it. it's because, if there's a way to get in, then somebody will find theay in. there have been people that suggest that we should have a back door. but the reality is, if you put a back door in, that back door's for everybody, for good guys and bad guys. >> rose: but does the government have a point in which they say, "if we have good reason to believe in that information is

( laughter ) not only is apple secretive, but c.e.o. tim cook doesn't do many interviews.greed to speak with us and to give us a rare look inside apple-- to see how its products come together, and to witness the company's biggest project ever. but we couldn't see everything. a lot of it was covered up, especially at the super-secret design labs run by jony ive. i see these covers over some of these desks. >> that's so you can't see what's underneath it, charlie. >> rose: that's why you don't like people in this room, period. >> that's right.

. >> pelley: apple's c.e.o. tim cook won't give law enforcement access to his customers' encristed texts, even though recently terrorists in paris and chat noog aten see, used encryption to conceal their communications. in an interview for some sunday's "60 minutes," cook spoke with charlie rose. the interview was before the paris attacks but cook has not changed his position. >> reporter: in the government, they say it's like, you know, you have a search warrant, but you can't unlock >> here's the situation. on your smart phone today, your iphone, there is likely help information. there's financial information. there are intimate conversations with your family or your coworkers. there's probably business secrets. and you should have the ability to protect it. and the only way we know how to do that is to encrypt it. why is that? it's because ifs there's a way to get in, then somebody will find a way in. there have been people that suggest that we should have a backdoor. but the reality is if you put a backdoor in, that

coming up, more of our interview with john chen, including why he disagrees with apple's c.e.o. tim cookn it comes to giving government access to your data. plus, the biggest stories that rocked the tech world this week were did not -- or did not. details next. ♪ emily: i'm emily chang and this is "bloomberg west." artificial intelligence is no longer the stuff of be science ffpblgts it's quickly becoming a part of you are everyday life. but with real life come real problems. bloomberg's jack clark was at an a.i. summit in montreal lately. first of all, elon musk is the guy who said a.i. could be summoning the devil, right? >> yes. emily: he founded this big thing called a.i. to fund open research in the field. what's going on here? >> elon spoke to us and said if you are going to summon anything, make sure it's friendly. he's now changed, he thinks a.i. is a sure thing and if it's going to happen he wants to bring it out into the open. the whole idea is if we're going to make machines smarter than us, we should do it? -- in such a way that it's not a surprise when they get here the emil