this is "nightline." tonight, swipe right. >> i'm looking for another republican-leaning person that shares similar views. >> the dating app catering to conservatives. >> if you are a feminist, goat off my app. >> politics makes for strange bedfellows. the crowd trying to make their america date again. >> first thing i see is your boobs. we don't want to lead with your boobs ever. plus, screen time. is tech taking over our lives? the startling experiment. diane sawyer reporting oft

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good evening. thank you for joining us. is it okay to talk politics on your first date? for one group, it's a safe bet,

thanks to a relationship app uniting the right. here's maggie rulli. ♪ >> reporter: tonight yvonne's going on a first date. for this new york native, it's not just about finding a man with the right looks or the right job. >> i think like-minded individuals obviously get along better. >> reporter: it's about whether he votes for the right. meet alex. >> i work in finance. my biggest hobby is collecting cars, racing cars and flipping cars. >> reporter: and has strong conservative values. >> i'm looking for another republican-leaning person who shares similar views. >> having a nice, normal conversation where politics does come up, it's not going to create tension or abrasiveness. >> reporter: that's why they turned to a new app called righter. >> you are conservative, and you know why you are conservative. >> reporter: the founder is an avid trump supporter and banker turned matchmaker. her goal is to make conservative

america date again. you mentioned you don't think conservatives and liberals should date. >> absolutely not, for a happy, intimate, romantic relationship, absolutely not. >> reporter: why not? >> it's a core value. it's not something i do for an hour a divisive 2016 election, she says she saw a need for this kind of app. its slogan, when you're tired of getting swiped left on for your political beliefs, use reiter. are you at all concerned that this rise of apps focussed on political affiliation is just fueling the hatred? >> reiter isn't just focussed on political affiliation, it's giving conservatives a place to go where they can swipe right and say when do i tell them i voted for president trump. >> reporter: she believes women on her app should avoid a particular label. >> if you're a feminist get off my achpp.

femininity is what the gentlemen are looking for on my app. femininity is so powerful and amazing and awesome. >> reporter: you don't think you can be feminine and a feminist? >> no. >> reporter: how come? >> it's an oxymoron. >> reporter: how about it's someone who believes in equal rights between men and women. >> i don't believe in equal rights between men and women. >> reporter: how come? >> i work with navy s.e.a.l.s. can i shoot a gun? yes, but could i want to keep up with those guys? no. but can i teach them things in certain arenas? and i do. but i think we need each other. i don't believe in equal strength and equal rights and everything. by the way, it's a falsehood, the biggest false narrative that we have today. >> reporter: kristy says this is not a one-night-stand type of app. insisting conservatives actually have better sex. >> typically conservatives, if and when we're in an intimate

relationship, we are with the same partner and having trusted sex with that parter which leads to more orgasms. whatever he wants, i'm in for it. >> reporter: turns out, prioritizing political is on the rise. okay cupid saw a 64% increase, while tinder found 71% found differenting political views a deal breaker. >> the dating a smoker has been replaced with politics at the top of what i call the dating totem pole. people think they can always quit smoking, but they're not going to change their attitudes about the issues associated with a particular candidate. >> reporter: remember yvonne looking forelove? >> guys will love this picture. >> reporter: before that date, she got a righter profile makeover with the help of kristy. >> this is your lead-in profile picture. you are stunning.

the first thing i see is your boobs. your breasts should come out when your man decides to look at them on about the third, fourth, fifth date or when you guys are ready to be intermatd aimate. put them away. dog, fabulous. the duck face, number one complaint we get from men. >> swipe right. >> down a little. >> a soft smile. >> there you go. perfect. >> be very confident, stick the hip out. >> reporter: and it's complete with a maga hat. what's it like knowing that you are going to wear jury maga hat? >> it's really nice, because most over sites, even facebook i expect to lose at least ten friends. it's no secret that i'm conservative. >> i feel that this presidency has created this politically divisive environment that potentially could cut the dating pool in half. >> reporter: for yvonne, an aspiring lawyer u professing her politics on popular dating apps

backfired. >> there was one time i did get swiped i guess by someone on the left and he felt the need to message me and say are you stupid? are you a moron? >> reporter: but righter has some controversial principles. you're only allowed to identify yourself as male or female and only connects heterosexual matches. >> they like monogamy. they don't bring into their marriages other people, other sexes, 21 genders. they have traditional values. >> reporter: some of the advertisements, many critics said this is sexist other objectifying women. >> i don't respond to critics, and i don't care. i mean i'm the one talking to the men, they're not. i care what my users think. >> reporter: fire those men on righter, kristy says to find success they should follow these tips. >> none of bathroom selfies.

dog photos are fantastic. please keep your clothes on. >> reporter: once they get that swipe right the ground rules for the first date are just as important. >> reach out right away. ask right away. do not ask us to go skydiving on the first date, that is never, ever a good idea. pick up the tab always on the first date. this is not rocket science. it's common sense. this could be your first last date. >> reporter: for yvonne, the moment has finally come for her to meet her righter date that kristy has help set up. >> thank >> hey, how you doin'? pleasure. >> thank you. >> i think we're sitting over there. >> nice to finally might you. >> please feel free to take as much as you want of this. >> reporter: from shared interests. >> i have a dog. seven pounds mix of a rat terrier and chihuahua.

>> i just found out that myi beagle's part chihuahua and i was adopted by an italian family. i got the italian upbringing with the german genetics. >> i am italian and italian and italian. >> reporter: and politics. >> i've had family members who are twice my age who are a little more mature make facebook statuses about me the day trump was elected. >> reporter: and over an hour later. >> i would like a second date. i know it's a little weird to ask. >> i think went great. he's a really sweet guy,guy,guy, gentleman. >> i think she a great girl. beautiful, interesting. definitely has a lot of energy to her. i'm looking forward to a second date. >> without the cameras, maybe. i think so. >> reporter: a romantic prop for this political pair. maggie rulli in new york.

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it's no ordinary day at denny's it's crepe day. a family tradition we started about twenty-two minutes ago. and from the looks of it, this tradition is going to last awhile. denny's has new crepes! see you at denny's. on average, adults in america spend the equivalent of 49 days a year looking at their mobile devices. all that time might be taking a toll on their human relationships. now a preview of an abc news special, the startling impact of too much screen time, our diane sawyer takes us across america, speaking to families about how the issue hits close to home.

>> reporter: parents post videos, wondering what is going on with their babies and screens. baby after baby seems completely transfixed. >> you might even ask, would kids rather be looking at the screen than looking at their parents or their caregivers? we don't know. the screens are light. they're attractive. they're meant to be digital candy. >> reporter: kathy is director of temple university's infant language lab. next to her, tracy dennis, professor of psychology at hunter college and both are also moms. they decided to create an experiment which these researchers are helping us replicate. a mom comes into a laboratory, she's asked to scroll and type and focus on her screen just for two minutes. the videotape showing something maybe adults don't see when we're home alone.

>> this is not about parent guilting, because parents feel so torn. >> reporter: this is 2 and a half year old jenson. it takes just 15 seconds for jenson to start his campaign to get momma liissa melissa to lo that screen. >> we have some things to do, mommy. >> reporter: she has been ask the by researchers to do something very difficult for her. keep looking down. remember, just two minutes. >> come on, mommy. >> reporter: he repeats the plea seven times. >> we have things to do, mommy mommy! you got to listen to me, mommy. listen to me, mom. >> so let's not deceive ourselves into believing that children don't notice. >> they see it as an intruder, as an interloper. they see that it takes their parent away from them.

>> reporter: when it was over. >> come here. >> reporter: jenson's mom said it was a revelation. >> i was actually really surprised at his reaction. >> cell phones, i think, are qualitatively different than other forms of distraction because they're with us all the time. they're ubiquitous. they have been engineered to grab our attention. >> reporter: as we set out to learn more about why so many of us are on our phones so much of the time, it led us to los angeles. ? hi. behind a garage door. an artificial intelligence company called boundless mind, matt mayberry, and dalton colmes, dalton says even though we toss around that word addiction he thinks of it as mostly a series of compulsive habits. >> on a biological level, it's a thousand times easier to make a habit than break a habit. >> reporter: he thinks of it as an arms race for our habits and attention. >> there are only a few things

on earth that are finite. attention is finite. and it's basically the only finite thing left. the waur over human attention is it's going to continue to intensify. >> reporter: he knows this, because his company creates this kind of technology too. but he says their mission is to use it to build habits that help people live healthier lives, which is why they agreed to show us some of the techniques they say are designed to keep us watching more. number one. we're besieged with those buzzes, notifications and pings. and if we get on our apps, is there a reason the pictures, the videos, the posts never seem to stop? >> we never get the stopping cue, the signal that i've been on twitter long enough. >> reporter: by design. >> it's designed. >> pinterest and twitter never end. >> reporter: like a puppy? like a million? some of the ads have tricks too. >> some will design an ad that looks like a fly or piece of

hair. you swipe and you are interacting with the app and earned the advertiser money. >> reporter: every second we are on a social media site we're offering an open stream of information about our personal behavior, our preferences, personalities. >> people don't realize how much they give away. >> reporter: they can vacuum everything we do, including finger moves. >> you pause a little too long and you tell your phone what you want. >> my instagram feed has a bunch of turkish chefs, chefs in turkey. at some point i watched a video of one turkish chef. but now in my feed, when i see them and my thumb runs on the screen and i pause, i say why are there so many turkish chefs. what they're hearing is show not what i want to see anymore. >> reporter: but remember, most of us live in a house with a lot

of screens. >> helloo. >> reporter: the american academy of pediatrics recommends that kids under the age of 2 should avoid screens entirely with the exception of a few minutes of face time with family. >> i love you. >> reporter: and there are studies showing that children seem more engaged with a story if a parent is reading from an ordinary book than if they're reading from a screen. >> i do not like that, sam i am. >> reporter: eyes that can keep looking up at each other. >> say your sister. >> reporter: in three dimensions. >> count my fingers. >> one, two, three, four. >> i really don't want to be guilt tripping parents with the study or implications, but die wai do want the icing on the cake. it is where children learn the most about the world and them selves. >> i love you. >> i love you.

>> you can watch "screen time", diane sawyer reporting tomorrow night at 8:00, 7:00 central right here on abc and discover what information you're giving away every time you use your apps and social media. next, remembering the loveable wookie. the man who played our faithful "star wars" co-pilot. ♪ >> we did it! she's doing it again. (vo) no cover up spray here... it's the irresistibly fresh scent of febreze air effects. cheaper aerosols can cover up odors, burying the smell in a flowery fog. switch to febreze air effects! febreze eliminates even the toughest odors from the air. and it uses an all-natural propellant to leave behind a pleasant scent you'll love. use anywhere odors can spread. freshen up, don't cover up. febreze air effects. is your floor's best friend. only roomba uses 2 multi-surface rubber brushes to grab and remove pet hair.

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and finally tonight, remembering peter mayhew, the man and voice behind chewbacca. here's abc's clayton sandell. >> reporter: the hero with the famous roar. only his faithful companion han solo could understand. >> you said it, chewy. >> reporter: seen here in "star wars," "a new hope." but chewbacca became a beloved fan favorite. >> will somebody get this big walking carpet out of my way. >> reporter: peter mayhew passed away of a heart attack surrounded by family at his texas home.

he towered 7'4". he was working as an orderly in a london hospital when he was discovered. george lucas saying tonight he was the closest any human being could be to a wookie. big heart, gentle nature, and i learned to always let him win. >> reporter: harrison ford adding we were partners in partners in film and life for over 40 years, and i loved him. >> laugh it up, fuzz ball. >> reporter: despite declining health and double knee replacement surgery. >> betting back to the old days. >> reporter: mayhew returned to the role he made famous in 2015's ""the force awakens."" >> chewy. we're home. >> reporter: until the end, he was a constant fixture at conventions, greet beiing fans his famous roar, now remembered throughout the galaxy. mayhew was 74. for "nightline," i'm clayton sandell. >> and that's "nightline."

you can always catch our full episodes on hulu. thanks for the company, america. goodnight.