(dramatic music)
- You guys are gonna eat steak and mashed potatoes
for next three weeks,
and you guys are going to eat mung bean stew.
- Hey!
- I'm Angela Duckworth.
- I'm Stephen Dubner.
- And you're listening to No Stupid Questions.
(upbeat music)
- Today on the show,
why do we buy exercise equipment that we'll never use
and health food that we'll never eat?
Who am I?
Oh, I'm my fiance.
What would fiance do?
- She would drink the sparkling water.
- Also, is social media net positive for society?
- I personally would much rather have people rant online
than punch someone in the face in real life.
So Angela, I have a habit,
and I suspect many other people do as well,
of acquiring, often by purchase,
what I've come to think of as aspirational objects,
which is to say, I will buy stuff that I think I want,
or maybe more accurately, that I would like to want,
but which in fact, I'll never actually use.
So one tiny example, at home,
we probably have 600 boxes of quinoa in our cupboard.
- Quinoa?
- Yeah, as far as I know,
we've never actually eaten quinoa at home.
- High protein grain.
- Well, it's not actually a grain, per se.
It's close to a grain.
- Oh, it's a legume?
- No, it's neither, it's a seed, I believe,
but that's beside the point.
- Okay.
- Also, similarly, I have over my lifetime bought hundreds,
perhaps thousands of books that I've never read,
or at least not more than a few pages of.
I know many people who have bought closets and basements
full of exercise equipment and golf equipment
and nutritional supplements and hair oils.
So my question is, are such acquisitions
nothing but a waste of time and energy,
or is there an upside in such aspirational thinking,
even if the thought rarely translates into deed?
- So aspirational consumerism,
I mean, that's a bit of a irrational behavior,
and especially the repeated part, right?
I can understand buying the first bag of quinoa,
not using it, and then, you know,
whatever money down the drain,
but the second bag of quinoa and even the third,
now that's, that's interesting.
- And I should say, just to draw the fuller picture,
I do like to keep things tidy.
I will go through our cupboards at home and-
- You'll purge them, you'll Marie Kondo.
- Yeah, I'll purge.
So every, you know, let's say six months,
I'll throw away or donate eight boxes of quinoa
because there are literally 11.
But then over the next few weeks-
- You'll buy more.
Okay, so of course, when you buy that next box of quinoa,
you don't think, let me buy another box of quinoa
that I can six months from now donate.
You're actually thinking at that moment
that you're going to make the quinoa, right?
- Oh yeah, because for every box of quinoa that I've bought,
there have been approximately one trillion articles
written about the benefits of quinoa,
and I've read them all.
- By the way, it's quite good.
- It's okay.
- How do you know you haven't made your quinoa?
- I've eaten it out, but you know,
when you're cooking at home, it's more of an investment.
When you're out and you say, oh, quinoa, sure,
all I have to do is say the word
and it's going to be brought to me.
- Well, herein, I think maybe is the solution
to this, at least a clue.
So what is it that quinoa and books
and exercise equipment have in common?
- Self-improvement.
- An effort.
So I think the difference between quinoa on the menu
and quinoa in your cupboard is,
and by the way, Steven, you just have to boil it.
It's not that much effort.
- I know it's not a big investment,
but it's a big investment for the payoff.
For the quinoa payoff, which is small in your view.
- Yeah, but the riddle to me is,
why is this a repeated behavior?
And what does that say about either me
as an example of the human species
or about the human species,
which is we have this kind of tendency.
So what this phenomenon reminds me of a little bit,
maybe even a lot, is one of my favorite books
when I was a kid was "A Tree Grows in Brooklyn."
Did you ever read it?
- Loved it.
Can't tell you anything about it,
but I remember reading it,
which is another interesting question.
Why can't we remember anything about the books we love?
- I share that fascination.
I've had this debate with a friend
who reads much, much, much more than I do,
'cause I'm a quite slow reader,
and I estimated once that I remember
between like one and 5% of what I've read,
and he was shocked in part
'cause he's got a better memory, I think,
but then he's like, "Well, why do you bother?"
- You're not reading to remember what you read.
- Yeah, you're reading for the experience,
and also, you know, life isn't always that efficient.
I might have to read 100 books
to learn something life-changing in one of them.
- Right, but anyway, I loved "A Tree Grows in Brooklyn,"
and having no memory of what was the plot
or who were the characters,
why don't you tell me what the connection is to quinoa?
- So it's about a family, the Nolan family in Brooklyn,
and basically how they struggle to get by,
they're very poor, and it's mostly the mother
who we hear about as mama,
and then the two kids, Francie, the daughter,
and Nealey, the son.
Every day, or maybe multiple times a day,
mama would give the kids a cup of coffee,
and neither of them really liked coffee,
but they would hang on to it, and they would swirl it around,
they'd put their hands on it to keep warm,
and then they would dump it down the drain,
and one day, mama's sister,
she had these two sisters who were a little bit better off
than she was, they saw that their sister
would let these kids waste coffee all the time
when they had no money, and said that is ridiculous,
that is criminal.
And what the mother explained was that,
you know what, when you have so little in the world,
just to get the feeling once a day
of having more than you need,
and being able to get rid of it,
is a taste of what luxury must feel like,
and I think that that's really important to them.
And I was so struck by that
because this felt like the Brooklyn of my parents,
it felt like the poverty of my own family,
'cause we didn't waste anything,
and so I wonder if maybe my quinoa acquisition
is a signal to myself that, you know what,
I'm never gonna eat that quinoa,
but I like the notion that I can afford now to buy it
and put it in the cupboard,
and then six months later, get rid of it.
- And then do it all over again.
Okay, so let me ask you, is the aspiration here
that you would like to be the sort of person
who actually cooks the quinoa and eats really healthy
and is on the cutting edge of the most nutritious foods?
Or I think what I'm hearing is that you would aspire
to be the sort of person who has enough money in the bank
that they could willy-nilly buy and then give away,
and then buy and then give away boxes
of a very bougie, expensive grain.
Which of those two aspirations rings true for you?
- I think both, and I think you've identified them
quite nicely and specifically,
but I brought this question to you
because I really wanna get your take on
what this kind of behavior says about our own,
I guess, identity.
Obviously, there's a long literature
on conspicuous consumption,
but what I'm talking about
is actually inconspicuous consumption.
These are the things that we're buying for private.
- I love the idea that a scientist named James March
came up with, which is to say,
whenever anyone does something,
especially when they do it repeatedly,
like buy quinoa, buy books, et cetera,
there's two explanations.
One is a kind of rational explanation.
In that person's mind,
the expected benefits outweigh the expected costs.
Now, that explanation for the quinoa buying
is that maybe you think
that it's just a little bit of a self-controlled trick
that if you buy 11 boxes of quinoa,
at least you might eat one of them.
And so that's the kind of neoclassical,
economic model of anything.
And I think you could make some argument
for that playing out.
But I think his other model
for understanding any behavior is maybe more relevant.
So James March said,
"Sometimes we're not making cost-benefit decisions at all."
Instead, we asked three very different questions.
And those questions are,
what situation is this?
Who am I?
And what does someone like me do in a situation like this?
This is a completely different calculus.
This is the calculus of identity.
And I think that that explanation
for why you might be repeatedly buying books you don't read
or quinoa that you don't cook,
he has this identity thinking
of the logic of appropriateness.
Like, is this an appropriate thing to do
given who I am and the situation?
So here's an example.
I felt like this a lot
when I was a mom of younger kids.
Now I'm a mom of older teenagers,
but there would be times
that I had to use a lot of self-control
to manage my motion,
whatever, they were fighting with each other,
spilling things all over.
- You know they were children
and that's kind of what children do, though.
- It was so annoying, though, right?
But anyway,
I do think that rather than thinking to myself at any level,
this could be all below the waterline of consciousness.
What are the benefits of losing my temper?
What are the costs of losing it?
Which is the way an economist might imagine.
I think it was more like,
what situation is this?
They're children, after all.
Who am I?
I'm a mother.
What does a mother do in a situation like this?
- She blows up at her children.
- Yeah, exactly.
No, so I think March is right that in many cases,
it is a heuristic, it is a shortcut.
And I think oftentimes, by the way,
advertisers take advantage of this.
Like, who am I?
Oh, I'm like Beyonce, what would Beyonce do?
She would drink the sparkling water.
So I do think this aspirational consumerism
is very bound up with identity.
And I think it happens very quick
and it doesn't require a lot of deliberation.
Maybe what's at play here
is not only the logic of appropriateness
and Stephen's aspirational identity,
but also optimism.
You hold on to some hope
that tomorrow won't be like today and you'll change.
I don't think you're alone there.
And I don't think that's entirely a bad thing
because if you just kind of settled with like,
look, this is the way I am.
I'm a non-keanwa person.
I'm a non-reading person.
I don't ride my exercise bike.
Then you would never actually change
in those positive directions.
- That's generous of you to dismiss my keenwa problem
with optimism, which is a positive trait.
But I will say this.
I could see there being the downside of,
oh, I keep thinking I will change and I don't.
And that you could therefore beat yourself up more
because of your frustration with your own ability
to change a habit or to start a new habit.
- Yeah. Well, there is a word for that too, Stephen.
It's sometimes called false hope syndrome.
And it comes from Janet Pallavi,
who's a scientist who has spent most of her career
studying obesity and dieting.
And what often happens when people embark
on an ambitious health kick is that at the beginning,
they set these aspirational goals that are wonderful,
but really unrealistic.
And then quickly reality comes crashing down.
And then as you point out, that can be almost worse.
And maybe even in some cases, absolutely worse
than having never tried in the first place.
You know, you've got yo-yo dieting,
you changed your metabolism,
but also you have your own motivation
where you feel like, oh gosh, I'm never gonna be successful.
That seems like a little bit beyond
what's going on with your keenwa consumption.
But you tell me, are you disappointed with yourself?
- I mean, honestly, I don't care at all.
I mostly feel it when I open the cupboard to make dinner
and I see these boxes and I just think,
well, that's just stupid.
It's just a waste of time and money and I should stop.
- All right, I have another suggestion for you
that has nothing to do with identity and psychoanalysis.
- Just buy mac and cheese and eat it and get over it.
- No, no, no, no, no, no, no, no.
'Cause you have like two cupboards,
one for all your keenwa and another for all the mac and cheese
that you're also not eating.
- That does sound like a bad spy novel,
the keenwa cupboard.
- It sounds terrible,
but nobody will remember what they read anyway.
But here's my suggestion.
Why don't you make a plan to boil some keenwa
this very night, Stephen?
I do think that closing the gap between the person
that we would like to be and the person that we are,
I don't think the solution is not buying keenwa,
but I do think figuring out how to get closer
to that aspiration,
there's a good impulse in human beings
to wanna close that gap.
- Well, Angela, you've tolerated my discussion
of keenwa on books and tree grows in Brooklyn.
What about you?
Do you have aspirational consumption?
- The only thing I can think of
is that I bought a multivitamin.
- Like one pill or a whole bottle of them?
- I'm sorry, it came in a bottle.
- You bought a Lucy.
- And I put it first of all in the drawer
that we have all the medicine in and didn't take it.
And I thought like, oh, duh, I'm a behavioral scientist.
I have to make the queue more salient.
So I put it on the counter and then I still didn't take it.
I don't even know if I took one of them.
- Why did you buy it?
- I think it's probably a good thing
to take a multivitamin.
I mean, even though the research on vitamins
is mixed and scant,
I don't think there's much evidence that it's bad for you,
especially now with coronavirus, it's that right?
Somebody recommended it, was it you?
- I don't think it was me.
- I think it was somebody that I trusted enough
to buy the vitamin.
- Well, that wouldn't be me then, plainly.
- Maybe not.
And whoever it was, they didn't tell me how to take it.
- Now, when you say they didn't tell me how to take it,
you do understand the process of opening your mouth
and putting something in it and getting some water.
- Hey, you jest, but I think that's partly the problem.
I know that's not like running a marathon,
but there's a little effort there, the water, the cup.
And I don't really like swallowing big ass pills.
You get that feeling, you know that feeling
in your throat where you feel like it's still there,
but you know it's not there.
- Right.
- And you drink more water, you still feel like it's there.
Okay, so done the wrong way,
the vitamin swallowing could be kind of a bummer
for like an hour.
- So to this day, you still have an opened bottle
of multivitamins in your home?
- Hey, it's only been there for a few weeks,
but yes, I have a aspirational bottle,
but I will tell you this, Stephen,
I think this is an opportunity for me to learn
how to close the gap.
- I agree.
I think that this public embarrassment
may help a little bit.
- Yeah, this is commitment.
- And I think we've also constructed
a really nice SAT style riddle,
which is as quinoa is to Steven Dubner,
the multivitamin is to Angela Duckworth.
- Still to come on no stupid questions,
Stephen and Angela discuss whether social media use
is actually contributing to the rise of anxiety
and depression in teenagers.
Did you hear that the Silicon Valley executive
doesn't even allow cell phones?
Stephen, I have a really simple question for you.
Is social media net positive or net negative for society?
- Great question.
- Thank you.
- My answer, I don't know.
Let's define social media for starters.
So does that include what we think of
as the primary social networks like Facebook and Twitter
may be a handful of other lesser knowns
or does it include representations of more traditional media?
What do you do with YouTube?
As with any question, it starts to get complicated fast.
- I mean, we could bound this conversation a little bit
by just saying, I think the platforms
like Twitter, Facebook, Instagram, Snapchat,
where it is many to many communication.
So the people who are on the platform
are also the content generators.
That's what I think of as social media.
- Even if you bound it like that,
I think the question is really hard to answer.
It is easy to make the argument at this moment, at least,
that the answer is no, not net positive,
that it's net negative.
But I think the way that most people
who make that argument arrive at that argument
is an indicator of the problem itself.
The problem being that noise is noisy
and signal you often have to hunt for.
And so it's easy to see the downsides
and perhaps less easy to see the upsides.
And I just think of a lesson that I learned a long time ago
that has been taught by people in many, many fields
and history and theology and anthropology,
which is that almost without exception,
any tool that's invented can be used for multiple purposes.
- For good or for bad.
- Yeah, if you would just want to make it binary,
there's good or bad.
So somebody invented a knife at some point
and the knife can be used to stab and kill your neighbor.
It can also be used to perform surgery
that will save somebody's life.
So I would like to think that we all collectively
know that by now, but I think that the nature
of the ecosystem makes it really hard
to have a cost benefit conversation,
which is, as you probably know by now,
my preferred way of looking at things.
- So the cost benefits of social media are just,
it's such a complex calculus.
- Yeah, you know, okay, this might sound like a weird aside,
but this is where my brain went.
You try to think about what is gained by something
that's hard to measure or what might have been lost
by something if it hadn't been available.
- Right, the counterfactual.
- And the example that I think of is,
so do you know the story of the forceps
and their discovery and their use?
- I remember reading an article in the New Yorker
about forceps delivery for childbirth.
Is that what you're talking about?
Like you pulled the baby out with these huge clamps
that you put around their head
and you just like yank out the baby.
- Yeah, the forceps have probably been
around a long, long, long time.
- They seem pretty medieval.
- It's been argued that it was one of the many inventions
that happened throughout history
that then get lost and rediscovered and lost,
'cause obviously people have been having babies
for a long time, so whenever there's a baby,
I guess it presents itself feet first and butt first.
- Which by the way,
Steve and I just want to tell you
that I was a bridge birth.
- Oh, that explains a lot.
You were ready to go, you came out running.
But I believe the story goes
that there was a family called Chamberlain,
a multi-generational family of doctors.
So I believe we're French Huguenot
and ended up living in England.
And one of them had quote invented
or reinvented or discovered the forceps
and used it for his clientele.
- His patients.
- And then passed along this tool to his son,
who passed it to his son.
And I want to say that maybe some of their clientele
included royalty at some point.
In other words, they were doctors
who treated patients of a certain station.
And what they didn't do is they didn't share the technology.
They kept it in their practice.
It was a business secret.
And so when I think about that story,
I think immediately, wow,
how many mothers and babies died
because that information was not shared.
- Interesting.
So that's on the plus side for social media, right?
That there's this massive sharing,
at least when people choose to,
and they do seem to choose to share
all kinds of information on social media.
- Yes.
You think like, well, you know,
what are the upsides for someone in 2020
to have access to so many different angles on the world,
so many different potential friends or teachers
or influencers and so on.
And that is really hard to answer.
But, you know, I think most people worry
about troubled adolescents.
We know that when there's one bad example,
we know that when someone bullies or cyber bullying,
yeah, then we all hear about that.
And then we take that fairly anomalous event
and turn it into the norm.
But I feel like we don't have a great sense
of how broad the norm is yet
when it comes to social media, honestly.
- Well, let's drill down a little bit into teenagers
and social media use because, you know,
they sure are on social media a lot,
hours and hours and hours a day.
And the intuition that a lot of people have
is that this is really bad
and that it's making them depressed and anxious,
and it's accounting for secular trends,
the trend for depression and anxiety to be on the rise
in that exact age group.
People can point a finger at social media
and say that's the reason.
And it's not for nothing that many Silicon Valley
tech entrepreneurs who are parents keep their own kids
off of screens entirely or want to.
- Yeah, starting to paint a pretty guilty picture,
but there are many social scientists who would argue
that the data beyond these anecdotal,
like did you hear that the Silicon Valley executive
doesn't even allow cell phones in their house?
Like beyond that and just intuition,
that the association between using social media
and your documented, self-reported,
negative and positive emotion is quite small.
There are very few really good studies.
There are lots of not so rigorous studies.
- And is that because it's really hard to do that?
Because it's not funded well?
- I think everybody wants to do
what you always want to do in a scientific study,
which is you want to-- - Randomize.
- Yeah, exactly.
The experiment is really one of the greatest inventions
that humankind has ever had.
There's a treatment condition.
There's a control condition.
Go, let's see what happens.
So there have been a few random assignment experiments
and one that was just published by psychologists
at the University of Texas at Austin
did randomly assign teenagers to do social media.
Now, one of the challenges is you can't say,
"Hey, for two weeks just don't be on social media.
They won't comply."
- And we should say the same problem
that's been observed in many nutritional studies.
- Right.
- You guys are gonna eat steak and mashed potatoes
the next three weeks and you guys are going
to eat mung bean stew.
Go.
- You can't randomly assign people
because they don't stay in their condition.
But in this case, the clever design
was they created a mock social media app
and they were like, "Hey, we want you to test drive
this new program."
And the crucial feature of this fake social media app
is that it did have, as all these media apps
have a liking function.
So you could like or choose not to like
people's profiles or not.
And then they manipulated the feedback
that these teenagers got.
So you are either told that lots of people
liked your profile and what you posted
or you're told that not so many people did.
And what they found in this experimental research
is that when you are liked by fewer of your peers
in this mock-up app, you report feeling rejected more
and the things that go along with depression.
So that's causal.
- That's totally predictable.
But did the effect hold over any period of time
or I'm guessing the experiment has no idea?
- Well, yeah, they did not actually run
a longitudinal field experiment.
Now we get into ethics.
Like once you discover that kids who have profiles
that aren't liked as often, it's pretty hard to say like,
"Oh, let's keep tricking them into thinking
that people don't like them."
- Yeah, but it also is a lesson on the limitations
of this kind of experiment generally.
- Well, you know, just as we're praising
the scientific method of the high heavens,
we have to say that there are real limitations
and one of them is, you just can't in good conscience,
do experiments where you think that the control condition
or the treatment condition is gonna be bad
for people over the long term.
- Let's not forget, before everybody hated Facebook,
everybody loved Facebook because all of a sudden
I can now connect with everybody from my past
and present and future life.
There was no way to do that.
That benefit didn't disappear,
it just gets counter veiled against.
And so with these sentiments that people don't like,
you know, if you were to ban social media tomorrow,
those sentiments will find another outlet,
it might be worse.
My feeling is to some degree,
it's nice to have a safety valve online.
So if what you're worried about
is people being horrible online,
I personally would much rather have people rant online
than punch someone in the face in real life.
- I have to say that I think that that kind of unfiltered,
direct, instantaneous, like anybody can tweet,
anybody can comment, absolutely has its good sides,
but I don't love the kind of,
I know you don't want people to have bar fights
or to actually do harm to each other physically
and you're like, oh, at least they can rant on Twitter.
But I do think the frictionlessness of it,
the kind of like, well, just roll out a bed
or not even roll out a bed, I'm just gonna roll in bed
and then whip off my emotional reply
to somebody else's tweet.
- It costs me nothing to be nasty
and if I want, I can be anonymous.
And even if I'm not anonymous,
I'm out of reach of their fist.
So I totally agree and sympathize with that position.
I just think that humans are adaptive,
as you've said in many different ways
over the time we've been doing this show.
And it reminds me a little bit of like crack cocaine.
Why did crack cocaine not die out, but diminish so much?
- I don't know why.
- Well, one compelling argument,
the most compelling that I've heard
is that it was so destructive to the users
that the next generation of would-be users,
they saw their older brothers and cousins
and uncles and aunts using it and thought, holy crap,
I am not even gonna go near that one.
I might do something else, I might even do another drug,
but that I am not going near.
I think we're kind of at peak crack cocaine version
of Twitter and some other social media right now
where the whole gestalt, the whole conversation
in the public is this is too toxic for too many of us.
And I'm not sure that's even right,
but if enough people really feel that way,
then I think that we'll adapt to it.
- I think you're wrong.
I think it's gonna be more like knives.
I think it's gonna be like, it can be bad.
Well, then again, I had a really hard to cut steak
the other day and I'm sure glad I had a knife.
It was much better than the spoon I had been working
on that steak with for the previous few hours.
So I think that social media is not going to be a fad.
It's making it possible for people to communicate
and for good or for bad,
human beings really like to communicate.
We like to tell each other what we think
and we like to know what other people are saying.
The only productive thing I might say is
we do have some rules about knives,
like you can't bring them on planes.
We try not to give them to young children
'cause they could cut themselves.
So I think your metaphor of social media is like a knife
and it could be a good thing, it could be a bad thing,
but probably understanding that we need some rules
and some skill in using this powerful new human invention.
I think that's good advice.
- I also think it would be really nice to know
the degree to which it's used for truly nasty
or evil purposes for people who are particularly upset
about the toxic elements that are easily observed
in social media and they think that it is driving things
like adolescent anxiety, like political divisions.
I think that blaming social media is often,
blaming the tool, blaming the knife.
There may also be countervailing benefits
that we're not very good at measuring.
The kid who finds a community,
the person who is able to give help or get help
or make connections and so on that we're not seeing.
I mean, what's not counted is how many millions,
billions of people get pleasure sending their parent
a photo of their grandchild.
And those are the kind of benefits
that are A, a little bit hard to measure
and B, even when you measure them, people are unappreciated
because they don't make a newspaper headline.
That's not the same as saying that, you know,
man killed in Twitter row that comes to life.
- Yeah.
Well, we could start by discounting all the dog pictures
'cause I don't even like dogs.
And whenever I see a picture of one on social media,
I got a smile.
So if we just started counting those.
- You just made the best argument ever
in favor of social media, which is you, Angela Duckworth,
a very bright person who has one major intellectual flaw,
which is that you don't love dogs.
Social media is powerful enough to get you
to be a dog lover and I think it's just proved its case.
And with that, I need to get off
'cause I've got about 19 Twitter alias accounts
that I need to check right now
'cause it's been an hour, all right?
- Yeah, go do it.
- Coming up after the break,
a fact check of today's conversation.
And now here's a fact check of today's conversations.
During the discussion of the history of forceps,
Stephen insinuates that the tools were used
to deliver breech babies, or as he puts it,
babies who are feet first and butt first.
While this is sometimes true,
forceps are usually associated
with a vertex presentation
or a birth where the infant presents head first,
in which case a healthcare provider
might apply forceps to the baby's head
to help physically guide them if labor isn't progressing.
Forceps might also be applied during a breech birth
to safely position the baby's head and neck
toward the end of delivery.
However, the forceps created by the Chamberlains,
the famous family of French Huguenot midwives,
were developed solely for vertex births.
Forceps for breech births, or Piper's forceps,
were developed in 1929 at the University of Pennsylvania.
Later, Stephen and Angela reference Silicon Valley
executives who demand that their children
stay off of screens,
but neither mention the names of said executives.
Among the famous check parents
who limit their kid's screen time are Bill Gates,
who did not allow his kids to have cell phones
until they were 14 years old, and Steve Jobs,
who revealed in a 2011 New York Times interview
that his kids were prohibited from using the iPad.
That's it for the fact check.
No Stupid Questions is produced
by Freakonomics Radio and Stitcher.
This episode was produced by me, Rebecca Lee Douglas.
No Stupid Questions is part of the Freakonomics Radio network.
Our staff includes Allison Craiglow, Greg Rippen,
James Foster, and Corinne Wallace.
Thanks also to our intern Emma Terrell
for her help with this episode.
Our theme song is "Anchie Was" by Talking Heads.
Special thanks to David Byrne and Warner Chapel Music.
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you can check out freakonomics.com/nsq,
where we link to all of the major books, studies,
and experts that you heard about here today.
Thanks for listening.
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