reporter: as you realizeour voice assistant may not be the only one listening. >> okay. ter: liz mclaughlinnbc news. >>> taking on hu in toe tells across the country. still to come on "news 4 at 6:00" our susanas hogan h an exclusive conversation with industry leaders about aew n campai gnt' temperature is now 88 degrees tomorrow through saturday.he here's t temperature trend. tomorrow will be the hottest day, feeling more like 100. negotiation that right now, i'm tcking some isolated showers including in princo george's unty, but a better chance for storm honey, this gig-speed internet is ridiculously fast. k we are seriouslyping up with the joneses. keeping up with the ford's. keeping patels. the garcia's.the romer. the wahh-the-wahh wolanske's. right. no one is going to have internet like this. xfinity makes keeping up with the joneses simple. easy. awesome. want gig-speed internet? we've got you covered. or check out our other amazing speed options at new low prices. get click, call orr as visit a store today.h. >>> now to a bizarre robbery at a busy >> police say it all started and cam

liz mclaughlin explns how to protect yourself. >> this summer, some renter didn't get the vacation homethey paid for. >> i just . >> with thousands scammed this year by phony rental listings. >> it looks like a great rental. exactly where you want to be. in your price point. >> t bar that will mi tells me they're getting a flood of horror stories. >> you book aome and it looks legitimate. you flyea across the ocn and show up. not only you don't find the rental but no home all. >> they're duping consumers using photos of homes for sale or sometimes copies of real listings. such as carolyn o'brien's rental. >> how dare you take our house d scam someone out of their vacation and money. >> see if they're listed elsewhe . >> we'veseen some that have come up in four or five different places. >> only book on airbnb and offer protections and -- >> if you're asked to leave the platform, that shouldn't be happening and that should be reported to airbnb. >> avoid paying with an app or zel and vein mow. >> chances of recovery. >> arm yourself by only using a credit card. too en it's too cheap and g

liz mclaughlin. nbc news. >>> to this tradition. the annual hot dog eating contest. look at the competitors. he's looking to defend his title last year, he sate 74 hot dogs. >> he s a method. >> there is something to this madne madness. >> nicky sciutto ate 37 hot dogs last year. >> the contest is at coney island new york. a burger eating contest here at wisconsin avenue and northwest. spectators will receive a free burger after the competition at 12:00 p.m. t one ofay's competitors, mol molly schumer. she said 28 burgers in 10 minutes in 2016. she's what heavy weight even though is she a little tiny ng thi >> most of those competitor eaters are small people. >> i can'do it. >> 4th of july in washington, super hot, we know it and we lived through i. we want you to live through it. >> we'll breakwn do how to sta y >>> as the summer continues to bring on the high temperatures, medical expertsay everyone should be cautious of a possible life-threatening condition. we are talking about heat exhaustion. mark hilliard records on how to keep yourself and family healthy ring

nbc's liz mclaughlin has what you can do to protect yourself. >> because atth apple we nk privacy a fundamentalter: apple has long touteits commitment to protecting customer data. but according to a new report from "the guardian" humans are listening in on conversations with apple's voicent assista siri. >> a lot of companies often have folks monitoring the content just to see howhe voice assistants are, woulding. >> reporter: according to anonymous whistleblower apple contractors regularly hear recordings with medical information, drug deals, even intimate moments. >> i think it's something that folks have to understand, like this to do happen to you. >> reporter: apple hasn't denied the allegation but emphasizes siri recordings are anonymized and only a very r smallndom sub set, less than 1% of daily siri utterances, are used fora ansis. >> there may be enough information in t recording itself to be able to identify you. >> reporter: avoid accidental or unwanted recordings by making adjustme s to the features apple watches or home pods or ipods that make siri easy to activate. >> what's the w

personal data in a separate firm was able to harvest info on nearly 90 million users, as nbc's liz mclaughlin shows us, the punishment may not change how silicon valley does business. >> this is a watershed moment in privacy enforcement. >> the federal trade commission's fine for facebook is record-breaking. >> a $5 billion civil penalty. >> it ends an investigation into facebook's privacy practices. ceo mark zuckerberg said in a post we've agreed to pay an histoc fine. but even more important, we're willing to make some major structural changes to how we build products and run this company. >> this enforcement action providing immediate protections for facebook users. >> se agreement establis new board to oversee facebook's privacy practices. but some say it doesn't go far enough. >> i don't think this does anything to change incentives. becse it doesn't change incentives, it won't change behavior. >> the settlement doesn't row trickett sfas book's use for advertising. this settlement does nothing to fix the fundamental insettivesf their broken behavioral advertising model. >> the agreement