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How Google Maps, Spotify, Shazam and More Work | WSJ Tech Behind 

The Wall Street Journal
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How does Google Maps use satellites, GPS and more to get you from point A to point B? What is the tech that powers Spotify’s recommendation algorithm?
From the unique tech that works in seconds to power tap-to-pay to how Shazam identifies 23,000 songs each minute, WSJ explores the engineering and science of technology that catches our eye.
Chapters:
0:00 Google Maps
9:07 LED wristbands
14:30 Spotify’s algorithm
21:30 Tap-to-Pay
28:18 Noise-canceling headphones
34:33 MSG Sphere
41:30 Shazam
Tech Behind
'The Tech Behind' explores the amazing engineering, computing, science and algorithms that power our favorite tech.
#Tech #Algorithm #WSJ

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8 май 2024

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Комментарии : 213   
@koncinar
@koncinar 4 месяца назад
Street view is an insane project. Whoever thought of it is crazy and whoever approved it even more so. Kudos!
@mohamedfahad2364
@mohamedfahad2364 2 месяца назад
Back when google had ambitions. Now they’re dead walking.
@daviddanielng
@daviddanielng Месяц назад
@@mohamedfahad2364 you can also think of something crazy to do and create it. Google bought these crazy and ambitious projects and improved it. Build your one and sell it to goole to improve.
@aniketbhanderi5927
@aniketbhanderi5927 4 месяца назад
Shazam was way ahead in terms of Engineering when they launched it on nokia phones. Glad they survived and we see it all iPhones nowadays.
@kiyoponnn
@kiyoponnn 4 месяца назад
shazam is so useless it cannot recognise any song i want to know about. in my experience, acr cloud performs so much better
@Oystein87
@Oystein87 4 месяца назад
​@@kiyoponnn Finds almost all songs I want. Even really hard ones
@Oystein87
@Oystein87 4 месяца назад
iPhones? It's not just on iPhone
@caty863
@caty863 4 месяца назад
@@Oystein87 yeah. I cringed too. Some people are so deep buried in the apple universe.
@Oystein87
@Oystein87 4 месяца назад
@@caty863 So true... I in general avoid Apple. They don't fit my needs and are more locked than better alternatives. And Apple is not really a customer friendly company either.
@antowane
@antowane 4 месяца назад
Shazam's story is incredible, I did not know it has been around since the early 2000s.
@Futur3musi3kproducer
@Futur3musi3kproducer 4 месяца назад
My inner nerd has really been satisfied by learning and understanding how some of the apps actually work. makes one love tech even more.
@caty863
@caty863 4 месяца назад
I am happily surprised that Shazam started before the era of smartphones; that's impressive. their tech works like magic. I still like to see peoples' jaws drop when I show them I can open my phone and instantly get the scrolling lyrics of the song playing in a bar. I wish all songs on the platform had that feature!
@facebookreal
@facebookreal 4 месяца назад
Yeah that's crazy, launched at 2002... way ahead of their time
@kevin.o
@kevin.o 2 месяца назад
These Tech Behind series are incredibly well made! WSJ - Please keep up the great work!
@Rick_Smooth
@Rick_Smooth 2 месяца назад
I love these type of videos/docs! It's insane how far we've come in the last 20 years. Very informative, I always wondered how apps like Spotify worked.
@LarryBotzong-hb4qn
@LarryBotzong-hb4qn 5 дней назад
It's absolutely incredible how far The Technology has come.
@cexeodus
@cexeodus Месяц назад
WSJ Tech Behind is such a great series man plz never cancel this feature
@pla_yd
@pla_yd 4 месяца назад
45:05 that picture on the wall is crazy
@Mesazane
@Mesazane Месяц назад
Crazy? I was crazy once...
@xyuv6769
@xyuv6769 2 месяца назад
its crazy to have a peek inside the working of these great tech. Loved this vid
@davidliu8796
@davidliu8796 4 месяца назад
WSJ shd do more of these!
@theemperor4901
@theemperor4901 4 месяца назад
This is so helpful. Great Informative Video. 👏🏻
@nyanamdzvt3704
@nyanamdzvt3704 4 месяца назад
All I can say is technology is fascinating. Thanks for the vid.
@decrpt_
@decrpt_ 4 месяца назад
The coffee shop at 45:08 has an interesting taste in interior decoration.
@PrashantMohta
@PrashantMohta 3 месяца назад
Was about to say 😂😂😂
@mth32871
@mth32871 2 месяца назад
Now that was an excellent collection of extraordinarily interesting technologies. Thank you!
@djp1234
@djp1234 4 месяца назад
I remember using Google Earth on my iPhone 4. Then I was blown away by Google Earth VR on PC. But then Google abandoned it, like all of their other projects. Wish they updated it brought it to Oculus Quest and Apple Vision Pro.
@MarcSpctr
@MarcSpctr 4 месяца назад
don't know about the VR, but pretty sure Street Maps as well as Google Earth is still working and being improved.
@AlphaGeekgirl
@AlphaGeekgirl 4 месяца назад
Still use Google Earth all the time
@caty863
@caty863 4 месяца назад
@@AlphaGeekgirl I think you mean Google Earth Enterprise, the platform that companies could use to host their custom maps.
@pbase36
@pbase36 4 месяца назад
Google Earth is readily available for the Oculus Quest in VR. Not the enterprise version, the regular version.
@djp1234
@djp1234 4 месяца назад
@@pbase36 there is no Google Earth on the Quest store. There is only Google Earth for PCVR, which hasn’t been updated for years.
@district2d
@district2d 4 месяца назад
Very interesting show !! Great to learn about this products we use everyday.
@joshhoffman1975
@joshhoffman1975 4 месяца назад
I cant wait to see the sphere! 😮❤🎉
@bimobheemo3013
@bimobheemo3013 3 месяца назад
Sony Ericsson phone used to have TrackID, very similar to Shazam, and it was already there more than a decade ago. It is amazing to witness that now computer can recognize a music from us humming some notes, like Google Assistant does.
@Avesevenfold
@Avesevenfold 6 дней назад
This was such a great video, so many things I've been curious about
@somaghosh2960
@somaghosh2960 4 месяца назад
Quite elaborate discussion. Good documentary, thank you WSJ.
@binyamhaile1543
@binyamhaile1543 4 месяца назад
I do love Spotify more after watching this, specially the color representation. This is good!
@sujitkumarsingh3200
@sujitkumarsingh3200 3 месяца назад
Excellent documentary. I appreciate these unsung heroes who work tirelessly to enhance standards of our life. 🙇🏻
@n6moses
@n6moses 4 месяца назад
This video makes me to start using Spotify because i love listening to songs that sounds the same I love that
@daviddanielng
@daviddanielng Месяц назад
just created an account because of DJ. but i cant find it 😢
@yeffblanco
@yeffblanco 4 месяца назад
Great video, I liked & downloaded. I also appreciate the chapters & transcription.
@Taesian
@Taesian 3 месяца назад
This is great and awesome content! Another AI and infrared that could be useful would be Traffic lights and rerouting traffic patterns
@AltevBaka
@AltevBaka 2 месяца назад
I can’t believe Spotify is showing us the way their algo works. That’s insanely fascinating
@user-jd3de8zj4n
@user-jd3de8zj4n 4 месяца назад
A little guy in your phone does all the work
@abdellahcodes
@abdellahcodes 4 месяца назад
36:26 how wide do you want your lens? YES
@rohitpillai
@rohitpillai 4 месяца назад
LOVED THIS
@Repz98
@Repz98 4 месяца назад
Tap to pay is nice. Usually you have to stick the card in and then type the code, but with tap you just touch the machine and can even move the card away and back into the wallet, and when it’s in your wallet first then the transaction are confirmed (paid). and you can easiler move on, instead of have to rush putting the card away
@chethanforyou
@chethanforyou 4 месяца назад
Appreciate this detailed observation
@code_name_uzi
@code_name_uzi 4 месяца назад
But that also means any body with active rfid device can get your money by just sneaking close to your wallet. Unless you have aluminium line wallet in that case u r swfe it doesnot allow waves to pass
@Netryon
@Netryon 27 дней назад
You have to be surprised with some new service taking over and rendering you bank contactless payment inactive on your smarth phone, but not using a card.
@gorillashop337
@gorillashop337 4 месяца назад
I love Shazam it’s always among the first downloads every time I change phones that and Pandora music always on the lookout for new bands
@MarcSpctr
@MarcSpctr 4 месяца назад
are you using iPhone ? cause if not then why exactly would you download Shazam, when you can just ask Google Assistant what song it is, and it will give you pretty accurate results, considering it has access to whole RU-vid/RU-vid Music library. edit: I used to use Shazam but I remember few years ago, you need to play song for it to recognize while Google can find it even with just HUMMING. Maybe now Shazam can do that as well, but at that time only SOUNDCLOUD and Google were capable of it, and SOUNDCLOUD was very bad at it and also it's library was pretty bad. So I started using Google and now just don't need to download any app anymore.
@truefranck
@truefranck 3 месяца назад
For me is Shazam & Spotify 😅
@metafuel
@metafuel 3 месяца назад
This was really interesting. Thank you
@cosminmorga1331
@cosminmorga1331 Месяц назад
Thanks for the video
@devasish204
@devasish204 3 месяца назад
Thank you very much, useful information and also interesting or engaging
@cameronscott8510
@cameronscott8510 3 месяца назад
This was hilarious and informative! Sub just because of this!!
@nathan6899
@nathan6899 4 месяца назад
Great video, very interesting 👌🏾
@evanh1066
@evanh1066 21 день назад
Poppy Crum...could listen to her for hours 😂. Excellent at public speaker / breaking down complex info
@peterbrendan1583
@peterbrendan1583 4 месяца назад
I love that Dermot Kennedy was listed in the Spotify part
@dota2fan670
@dota2fan670 4 месяца назад
shazam coming up before even apps existed is so cool!
@Skybar23
@Skybar23 4 месяца назад
One thing I dont get about google maps and something they need to improve is why dont they update speed/red light detection cameras since they can detect changes in road signages, buildings, amd road changes. Surely it cant be a legal thing because apps like Waze have always detected them
@CharlieBloxham
@CharlieBloxham 4 месяца назад
Great video. Thanks WSJ. Does anyone know if there are any schools or courses that give people hands on experience with understanding how technology like this works? I’d love to go further into it after this video.
@poleonpoleon706
@poleonpoleon706 4 месяца назад
I believe it all starts with learning advanced maths and coding . By learning a coding language such as Python you get to build software applications which are at the heart of the devices we use
@RommelNunez-oh8ur
@RommelNunez-oh8ur 3 месяца назад
Here is the syllabus for a course I took at Columbia University on Policy for Privacy Tech. The readings prescribed by Professor Cummings were fascinating: rachelcummings.com/wp-content/uploads/2021/12/IEOR-4575-Syllabus_final.pdf
@RommelNunez-oh8ur
@RommelNunez-oh8ur 3 месяца назад
If you want to pursue a career in tech like this, you might want to look at enrolling in a coding boot camp or pursuing a masters in electrical engineering/software engineering
@RommelNunez-oh8ur
@RommelNunez-oh8ur 3 месяца назад
Search up ‘Rachel Cummings, Policy for Privacy Technology Columbia University”. Her syllabus will pop up. I took this course in my last year of college and the readings she shared were very insightful. It changed my perspective on tech policy and how we handle big data!
@user-ee4do8yc8f
@user-ee4do8yc8f 3 месяца назад
Good applications, will change life a lot.
@ArnaudJoakim
@ArnaudJoakim 4 месяца назад
Very interesting! Thanks
@mr_unsane
@mr_unsane 3 месяца назад
"Trust us bro, we are using your data in a moral way" yeah right
@user-qi8xm5bw6s
@user-qi8xm5bw6s 7 дней назад
Заносы лютейшие!) давай больше таких видосов) хочется глянуть как ты играешь с большим баликом)
@nerd26373
@nerd26373 4 месяца назад
This ecosystem has persisted throughout the years in a continuous manner. Pretty incredible how much modern technology has improved.
@DC-lw7dj
@DC-lw7dj 2 месяца назад
Record migrant intake does reduce standard of living. We are in a GDP per capita recession. There are too many humans for the current infrastructure levels. There is more congestion on our roads, hospital/ambulance wait times have increased, rental vacancy rates are at record lows, rent prices are exorbitant, and house prices are increasing despite interest rate rises. So, yes, the standard of living is drastically declining due to the unsustainably high immigrant intake levels over the last 2 decades (particularly the last 2 years).The migrant intake levels needs to drastically drop.
@Netryon
@Netryon 27 дней назад
No those be the ones we last meet
@aniketbhanderi5927
@aniketbhanderi5927 4 месяца назад
The idea of Collaborative filtering from Netflix changed whole worlds of recommendations.
@itsROMPERS...
@itsROMPERS... 4 месяца назад
My android phones does a "shazam" through Google assistant. I just say, "hey Google, what is this song?", and it answers in a few seconds. So i wonder if they're licensing technology from Shazam, or actually duplicating it. If seems insane to replicate something so complex, but then Apple made it's own map system, so companies definitely do it.
@MarcSpctr
@MarcSpctr 4 месяца назад
I am pretty sure Google made it's own thing. Cause a few years back when I used to use Shazam, it didn't recognize any songs when HUMMING. it needed a song playing to recognise it. At that time only SoundCloud and Google were able to recognize song by just HUMMING. and SoundCloud was pretty bad at it and had very few songs in the library as compared to Google which has the whole of RU-vid. I am pretty sure they made their own, cause that was my main reason to shift from Shazam to Google Assistant and now I don't need to download a separate app for this. I just hope they give an option to make a SHORTCUT on my homescreen which will directly start song recognition, instead of needing to start the Assistant and then asking it to recognise a song. edit: just found out you can make a shortcut on homescreen for that.
@itsROMPERS...
@itsROMPERS... 4 месяца назад
@@MarcSpctr interesting. So I don't need to download Shazam to get the best, Google is probably as good or better.
@RixMorales
@RixMorales 4 месяца назад
I use Google Assistant for every song that I want to get ID'ed. The humming feature is heavensent. I only use Shazam when Google Assistant failed to identify the song (which is a rare occurrence)
@caty863
@caty863 4 месяца назад
@@MarcSpctr how do you speak to the google assisstant to tell it to search for a song in the club? it's so noisy and you'd look weird to shout to your phone when you are sitting in the cloud. Shazam's interface is much better. I am pretty sure shazam also has access to RU-vid songs; the API is free. Besides, does Google Assisstant have the scrolling lyrics feature? that's what I like most about Shazam.
@manicj369
@manicj369 4 месяца назад
@7:52 Did anyone else notice the lady with her phone mount suction cupped onto her navigation screen
@smrthbeats
@smrthbeats 4 месяца назад
This was interesting.
@AltevBaka
@AltevBaka 2 месяца назад
I thought the LED wristbands were gonna be some next gen Google Maps tracking 😭
@ross.neuberth
@ross.neuberth 4 месяца назад
I will say, apple pay has been a real lifesaver on occasion. I have forgotten my wallet but never my phone. Overall I really enjoyed this episode. Thanks.
@VazerOG
@VazerOG 2 месяца назад
Y'all should do a story on why Walmart refuses to adopt tap-to-pay...
@Oystein87
@Oystein87 4 месяца назад
Nice to have explained why ANC ruins my music experience. I rather have good passive noise cancelation
@YasinHasan
@YasinHasan 3 месяца назад
google maps is just an incredible piece of technology
@donlean2164
@donlean2164 2 месяца назад
The spotify dj feature was pretty cool at first until it kept repeating songs
@HobbyGamesTeam
@HobbyGamesTeam 2 месяца назад
Good material, but it's hard to watch because of bad montage May you please add some extra seconds when you change topics? Hard enough to be switched from one theme to another with no pause
@roberttaylor9259
@roberttaylor9259 4 месяца назад
Problem with tap to pay is it's half the time faster the other half the machine freaks out for twice as long as the other choices.
@rstudio2618
@rstudio2618 3 месяца назад
Soo... this Spotify, algo has an API? So potentially, the sonic char's and temp structure... for latest songs = could predict next big hit? (with a little Ai too)
@markovo.trails
@markovo.trails Месяц назад
Me: I want Adam Savage. Mom: We have Adam Savage at home. Adam Savage at home: 2:33
@albertplumer
@albertplumer 4 месяца назад
Map info , do the origin of info, gathered, is it paid for?ok Why or how can the spotify lists off? Choose what i want.
@AnyBodyWannaPeanut
@AnyBodyWannaPeanut 3 месяца назад
7:52 What kind of person sticks the suction cup phone holder to the screen???
@od7763
@od7763 4 месяца назад
Google should use drones for capturing images, def cheap in power etc, compared to their alternatives.
@BirthrightGaming
@BirthrightGaming 2 месяца назад
Man these videos are cool and knowledgeable but I wish they went more in depth
@luisescamadonhamue4117
@luisescamadonhamue4117 3 месяца назад
In a few months you will come to Mozambique to see my business. Praise God!
@celtic2000
@celtic2000 3 месяца назад
Images from drones, the future?
@ninjanerdstudent6937
@ninjanerdstudent6937 4 месяца назад
Spotify still does not give me relevant music recommendations. I even manually entered my entire music collection into it, liked all the songs, and it still does not know how to give me new songs that I will actually like. RU-vid Music, on the other hand, just knows without me entering my entire music library manually. I discovered so much new music due to RU-vid and YT Music.
@lllllREDACTEDlllll
@lllllREDACTEDlllll 3 месяца назад
Imagine if they had a sphere camera during the D-Day landings...
@cryptowhore3957
@cryptowhore3957 3 месяца назад
So the majority of us say have kids and have invested in Crypto. We’re possibly not that well invested and the price you ask for the FFA is more than say what people have invested. You spoke of an investment/trading opportunity which can only be viewed being a member on the inside. So how about next time revel it on your channel and then the gains could be used to invest in your company to start things off. I don’t trade or want to get my head around it, I’m just investing and watching. What you think BTC will do. Also thank you Steve and if I’ve offended you I apologise, it’s just a thought for myself and what possibly other might be in. Thank you
@undertow2142
@undertow2142 3 месяца назад
How about just not making my destination address disappear when I get close to it. Then I have to enter it again when I’m trying to narrow down to the exact driveway.
@user-ig5cb9uu9x
@user-ig5cb9uu9x 2 месяца назад
📍Bauer College of Business 📍Lundquist College of Business 📍Alvarez College of Business 📍Katz College of Business 📍Mendoza College of Business 📍Jones College of Business
@RyeonLok
@RyeonLok 4 месяца назад
Sometimes when we are too nerd we forgot other basic attributes such as family
@EASMEDIA
@EASMEDIA 4 дня назад
the shazam guy's right nostril is huuuuuge.. wonder what kind of activities he does on the weekend ❄❄🤣🤣
@vithukichodhan5874
@vithukichodhan5874 3 месяца назад
I am speechless 😮😮and not now at 92 years of age !!
@doug774
@doug774 4 месяца назад
US was slow to adopt tap to pay because of tipping culture
@l1982echarg
@l1982echarg 4 месяца назад
14:19 River Plate ⚪🔴⚪🇦🇷
@M0DB0Y
@M0DB0Y 5 дней назад
It will get rejected at 60k and bottom around 43k. Smart money is always smart. If we want 350k+ we have to short until retail starts buying. That will be around 43k
@samalias6784
@samalias6784 4 месяца назад
Nio is the Apple of EV❤❤❤
@nishant479
@nishant479 4 месяца назад
they did not discuss any technology in google map's case that how algorithm works and sort the results for users.
@louiesim7827
@louiesim7827 27 дней назад
What happen to terra vision?
@adityathota5158
@adityathota5158 Месяц назад
22:02
@AnDy-of3mj
@AnDy-of3mj 3 месяца назад
Seem like a Native advert for several tech companies. I wonder if WSJ was paid for these "Stories"
@MDUBZ
@MDUBZ 4 месяца назад
16k rez so four TVs in the sphere.
@justn1n
@justn1n 4 месяца назад
Middle 45:08 AYO
@user-ig5cb9uu9x
@user-ig5cb9uu9x 2 месяца назад
📍Mays College of Business 📍Rawls College of Business 📍Price College of Business 📍Leeds College of Business
@albertplumer
@albertplumer 4 месяца назад
Map info , do the origin of info gathered, is it paid for?
@rnts08
@rnts08 Месяц назад
If the service is free your information is the product that's being sold.
@RixMorales
@RixMorales 4 месяца назад
I don't think tap to pay is more secure than inserting your card into a POS machine, where you have added security by inputting your PIN code. Whereas in tap to pay, anyone with a card reader could just put it near your bag or wallet that don't have RFID blocker and they could get your money without you even knowing it because tap to pay doesn't have any layer of protection itself
@smc1377
@smc1377 4 месяца назад
I don't think you understood the explanation. They didn't do that great of a job explaining either though. It's true that some of the information is unprotected and any reader can read the info. But, the card also has an encryption process that sends a very unique code that goes along with that data, and if that data string is wrong, the transaction is declined. This string of encrypted data is different with every transaction, so even if you were able to read the data string, it's useless cause it's a one-time use string of data. Whereas your PIN is the same for every transaction. All someone has to do is watch or record you entering your PIN and they now can use the same code to access your account multiple times. With tap to pay, even if you could record that encrypted key, it's a one-time use PIN, if you may, that will never work again.
@Netryon
@Netryon 27 дней назад
Probably don't need it anymore if haven't turned out to be your java spring occupation.
@gerardolopez9368
@gerardolopez9368 3 месяца назад
Bro is going to hit a million followers before they show the footage 😅
@auro1986
@auro1986 4 месяца назад
how? advanced technology
@ItsMauriceMoReece
@ItsMauriceMoReece 4 месяца назад
Google maps rocks
@noadsplease2737
@noadsplease2737 4 месяца назад
“AirPods Pro…” while showing a pair of AirPods 3
@devasish204
@devasish204 3 месяца назад
the big question still remains, why things work the way it works? want to meet the Creator or the God who made all this work
@mikeames8339
@mikeames8339 3 месяца назад
Somewhere a nursing home is missing a resident.
@youxkio
@youxkio 3 месяца назад
However, it has a little BS on it. I have been a ferry commuter riding a scooter (the ferry carries scooters also) for six years. Always sharing location. Google never added the use of ferries for motorcycles and scooters in its suggested directions for a destination that could be faster and cheaper.
@baronvonlimbourgh1716
@baronvonlimbourgh1716 3 месяца назад
We trully live in the dystopian timeline..
@Waltaere
@Waltaere 4 месяца назад
WSJ 😃
@budgetking2591
@budgetking2591 3 месяца назад
always preferd the nokia mapps app over the google maps app.
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