Andrew Ng: Opportunities in AI - 2023

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  • Опубліковано 1 лют 2025

КОМЕНТАРІ • 613

  • @GDaSilva-m3h
    @GDaSilva-m3h Рік тому +339

    It is so COOL that I can watch a Stanford University presentation while eating a bag of chips in my living room. What a time to be alive.

    • @adnanshahid1101
      @adnanshahid1101 11 місяців тому +8

      While watching I was wondering how tough it would have been for people during 3rd industrial revolution to get such kind of information make themselves aware and prepare for the future.

    • @kamilziemian995
      @kamilziemian995 10 місяців тому

      Indeed.

    • @newbestofthis4422
      @newbestofthis4422 10 місяців тому +3

      I am having a sitz bath and watching this lol. Yeah what a time to be alive

    • @fengxiw3731
      @fengxiw3731 10 місяців тому +1

      me too, bro

    • @Otto-mq8lg
      @Otto-mq8lg 9 місяців тому +2

      Stockholm syndrome

  • @jacopoalberto
    @jacopoalberto Рік тому +247

    Andrew Ng is a hero, he's the reason why I started studying ML. I love his humble and clear teaching style. He makes any topic seem understandable.

    • @lukmanalghdamsi3189
      @lukmanalghdamsi3189 Рік тому +5

      a good teacher

    • @rocketPower047
      @rocketPower047 Рік тому +2

      his Coursera courses are awesome

    • @huutoan1
      @huutoan1 Рік тому +1

      agree, agree, agree. He never tries to push tons of words into your brain, just what really needs

    • @trawsoza2926
      @trawsoza2926 Рік тому +1

      He's definitely not a hero he's nefarious but he is a good teacher

    • @rocketPower047
      @rocketPower047 Рік тому +1

      @@trawsoza2926 why

  • @cse03raghuveerawankar31
    @cse03raghuveerawankar31 Рік тому +1098

    This man is the reason I fell in love with complex topics like Artificial Neural Networks in AI. He is hero for all AI lovers.

  • @t0el
    @t0el Рік тому +153

    "AI is the new electricity" the best quote of the century! Great Prof. Andrew Ng

  • @longship44
    @longship44 Рік тому +129

    Andrew Ng is awesome on multiple levels. I'm always a bit smarter each time I listen to him.

  • @Mrgohar111
    @Mrgohar111 9 місяців тому +5

    I am loving to see that how calm and Serene this guy is while giving a concept.

  • @for-ever-22
    @for-ever-22 Рік тому +383

    His contributions to AI and making learning accessible to all will never be overlooked. He has earned his name on the AI Hall of fame. Sir, thank you for your selflessness ! I sign for a pause in training of large AI models but I still trust your judgment.

    • @jackynft16
      @jackynft16 Рік тому +1

      0:39

    • @jackynft16
      @jackynft16 Рік тому +2

      2:22 3:07 3:15

    • @jackynft16
      @jackynft16 Рік тому +1

      4:31

    • @comradepeter87
      @comradepeter87 Рік тому +5

      @evanshlom1 Coursera, for example. Probably a lot in research but that's just a conjecture. And I'd argue teaching and incubating are very good actual applications. If he had built a business that helps incubate, you wouldn't have said that.

    • @reyjanson1788
      @reyjanson1788 Рік тому

      andrew ng is so over rated

  • @itsdavidmora
    @itsdavidmora Рік тому +92

    As a computer scientist (with a degree from Stanford, actually), I can confirm this is an impressively lucid summary of the complex developments in AI over the last few decades. He skips over a lot of details (breakthrough architectures, hardware advances, arguments around how to test AI, ethical dilemmas behind training data sources, etc), but he still manages to trace the high-level contours that really matter.
    I'd add though: the single biggest opportunity in AI is to think more critically about how to use it in ways that uplift our communiites, rather than to do things like exploit the psychology of children to sell ads. This is something that requires all of us.

    • @sreeharsharaveendra289
      @sreeharsharaveendra289 Рік тому +7

      Another AI opportunity, to use AI to combat exploitative use cases. Fight bad AI with good AI haha.

    • @jamesdalton7865
      @jamesdalton7865 Рік тому +1

      Wonderfully put! The benefits of AI should be shared with all of humanity.

  • @healingbyqurannow
    @healingbyqurannow Рік тому +240

    We need more people like Andrew Ng in this world, very inspiring and helpful.

    • @tonycatman
      @tonycatman Рік тому +11

      It's difficult to believe that this humble, lovely, patient man is also an incredibly powerful and wealthy person, who has also been the boss of thousands of people.
      I can't think of anyone in history who has had such power and humility at the same time.

    • @edwardmitchell6842
      @edwardmitchell6842 Рік тому

      @@tonycatman When you see him on Coursera (new courses included) it feels like you are just sitting with a friend. I even saw him flabbergasted when the guest instructor stated he learned ML from Andrew's courses.

  • @armijinyawa
    @armijinyawa Рік тому +40

    A sign of supreme intelligence is the ability to discuss complex in very simple terms and this guys does it (apparently) so effortlessly. Brilliant and insightful lecture - I have been ruminating on the “scale” problem for many years but thought it is just because I’m not a computer scientist and didn’t really understand. His views about domain expertise totally resonated with me. Thank you.

  • @ZeryusXD
    @ZeryusXD Рік тому +33

    Very concise and well laid out presentation. Any beginner who wants to take their first step into AI will benefit from this

  • @johnchateau
    @johnchateau 11 місяців тому +1

    Thank you so much Andrew Ng and Stanford for teaching and sharing in the most basic way about AI and its applications and risks. you are a real Teacher. any person can learn about this AI topic.
    "survive and thrive for the future"

  • @SethBang91
    @SethBang91 Рік тому +72

    Andrew has truly made a legendary impact with his dedication to education over the years. I deeply appreciate all that he has done. Kudos to Stanford for consistently sharing such valuable content featuring leading figures in technology!

  • @lien-chinwei4815
    @lien-chinwei4815 Рік тому +12

    Thank you for sharing Dr. Andrew Ng's speaking. I took his AI and data-science classes, and they are with top-notch contents. Amazing

  • @stasgurevich7786
    @stasgurevich7786 Рік тому +21

    Thank you for the insights and inspiration, Mr. Ng. Thank you for the Coursera course which was a true eye opener to the power of AI for me. What a talented, humble and ethical person!

  • @hajhouj
    @hajhouj Рік тому +15

    Thank you so much, Andrew Ng! Back when I was learning about data science, the courses seemed really complex. Your courses made those complexities simple to understand, and they helped me succeed in my machine learning and deep learning modules.

  • @JustinHalford
    @JustinHalford Рік тому +20

    It’s hard to overstate Andrew’s role in communicating the importance of the AI space to millions of people who are interested in using technology to build a better world. His online ML class has likely spurred thousands of bright minds to pursue this space and to make meaningful contributions. Kudos to your contributions, Andrew!

  • @Appsorwebs
    @Appsorwebs Рік тому +4

    My Super hero and AI hero, thanks so much for all your wonderful courses, documents, etc!

  • @JSE_Kot
    @JSE_Kot 6 місяців тому +2

    Thank you, Andrew Ng, and a big thanks to the entire team for making it possible for us to listen to such a great man discuss an amazing topic.

  • @matheunforch
    @matheunforch 10 місяців тому +2

    He seems like a very kind man. I like his thoughts around AI, I find myself aligning with his line of thinking as to all the hype that's going on at the moment.

  • @vanessaaugsbach6541
    @vanessaaugsbach6541 Рік тому +5

    Such a pleasure listening to your amazing brilliance your calming demeanor and charisma in explaining AI
    Thank you for your
    precious precious time We truly appreciate you

  • @Geovea-Travel
    @Geovea-Travel Рік тому +11

    Andrew, thanks so much for discussing AI in such and easy way to understand. My team has been working on similar ways to bring inspiration to travel over the last 4 months. You are spot on. Thanks and look forward hearing more - Kirk

  • @alyssalin6401
    @alyssalin6401 9 місяців тому +1

    This is the master who can describe difficult things so easily understandable!

  • @Abdien
    @Abdien Рік тому +3

    Happy to be one of your online students, big impact on many peoples life you are creating!

  • @SathyaNarayananKrishnan
    @SathyaNarayananKrishnan Рік тому +4

    Andrew Ng is Great ! and more to come ! It has been a highly informative and envisioning Presentation I have ever heard ! Thank you Stanford for making it accessible to everyone across the Globe. 🙏

  • @numankhan2645
    @numankhan2645 Рік тому +1

    Andrew ng is my mentor and the mentor of every AI and machine learning student billion dollar man Thank you for all you effort and generosity

  • @fabriciot4166
    @fabriciot4166 Рік тому +8

    It is a pleasure and a relief to have people like that, with so much experience and achievements without losing a bit of humility and responsibility. I think he is and will always be, at least for me, one of the best references in this and many other fields, we are really lucky that we have people of that level. A big hug

  • @NikhilSJain
    @NikhilSJain Рік тому +8

    Thank you Andrew. I remember a day when I visited a remote village in Asia. Someone mentioned talking about your courses and they could learn AI from your videos. You keep doing great work.

  • @singhdpy
    @singhdpy Рік тому

    I consider it a significant accomplishment and a matter of great pride to have had the opportunity to study and learn from Professor Andrew Ng, thanks to Stanford University.

  • @luieklimmer
    @luieklimmer Рік тому +3

    It would have been interesting to have the Q/A included. Great talk.

  • @fundiserame9531
    @fundiserame9531 Рік тому +42

    Wow. Andrew is a genius. His ability to articulate and make relatable such a complex topic stood out for me more than his undeniably solid knowledge of it. Thank you for this🙏

    • @yorha2b278
      @yorha2b278 Рік тому +1

      The "simp'ing" is strong in this one.

  • @zenetio
    @zenetio Місяць тому

    Andrew Ng is a great mentor. His Machine Learning course at Coursera was my first online AI online course about 12 y ago. Since then I have taken tens of online courses and became an AI mentor.

  • @BookshelfJourney
    @BookshelfJourney Рік тому +2

    Andrew has changed my life. My journey to learn AI started with Andrew.

    • @rutuja525
      @rutuja525 Рік тому

      Can you please share the road map for getting started with AI.

  • @molugusatyapriya2
    @molugusatyapriya2 5 місяців тому +2

    It was fascinating to hear Andrew Ng's predictions about the future of AI in 2023. The video does a fantastic job of capturing the enormity of the opportunities.

  • @marchammermann9124
    @marchammermann9124 Рік тому

    Really the first realistic overview I've seen in the echo chambers of UA-cam, especially at the end. Thanks for that!!! In my opinion, the biggest problem is the use of all our collected data by the internet giants for commercial purposes. Because they now own the hardware layer, the API layer and the data sets to train the AI. That's a big difference from the past, when it was much harder to achieve a concentration even in one sector.

  • @walterjrobinson
    @walterjrobinson Рік тому +1

    Andrew Ng makes AI accessible, understandable, and relevant for people ... this knowledge and his teaching is a gift that he shares with humanity.

  • @pyakuman
    @pyakuman 11 місяців тому

    Thank you for imparting your knowledge Andrew! Thanks Stanford Online for uploading the content too.

  • @AzharKhan-cy5kt
    @AzharKhan-cy5kt Рік тому +19

    This dude deserves noble prize

  • @leksandradubovik6291
    @leksandradubovik6291 11 місяців тому +1

    such a bright and humane person… enjoyed every minute of his talk

  • @AlexKashie
    @AlexKashie Рік тому +1

    So grateful for this… Thank you so much Dr Andrew NG and Stanford University

  • @lijames8989
    @lijames8989 Рік тому +2

    Dr. Ng is living his life purpose by working on things that move humanity forward! His classes about AI online is one of the first videos that I saw and learned about AI and Machine Learning. Glad to see that the projects his company works on have a greater impact on a lot more industries other than tech.

  • @muneebakram9647
    @muneebakram9647 Рік тому +2

    Wonderful presentation. Thank you Andrew Ng, thank you Stanford.

  •  Рік тому +5

    One of the feature is intelligence is the ability to explain complex topics in simple words. In this presentación Andrew Ng showed the present and near term future of AI in such simple terms that it is very comprehensible for people in non tech fields. He also clearly summarized the entries to the system.
    I am very interested in exploring the landscape of education that is untouched but could be greatly enhanced by AI.
    Thanks!

    • @ashishmehra5143
      @ashishmehra5143 Рік тому

      I am sure you would have come across people who are really intelligent but when it comes to teaching or explaining, they are not very good at it.
      I have, in my school, college and often at work.
      IMO, teaching is a skill and need a separate work to be good at it.

  • @Mrtnimn
    @Mrtnimn 2 місяці тому

    For that wonderful build-up to 5th goal, I had to goce a like💯
    Sweden has great players and even better gameplay🔥

  • @sbhusi
    @sbhusi 9 місяців тому

    Andrew NG is best educator and how he shares is ideas/thoughts in such a simple way that anyone can just understand

  • @Yahooforreal124
    @Yahooforreal124 Рік тому

    Love his soothing voice and simple, but not simplistic explanations.

  • @ravibatta4402
    @ravibatta4402 Рік тому +1

    His stand on ethical grounds and serving humanity with technology is what makes him a great person.

  • @Malek-bh9ug
    @Malek-bh9ug Рік тому +11

    Andrew Ng Truly an awesome inspiration thank you for everything ❤🎉

  • @johnorajiaka3721
    @johnorajiaka3721 Рік тому +3

    Excellent presentation. I gained 10x knowledge on AI watching this. Thanks Andrew

  • @learnbydoingwithsteven
    @learnbydoingwithsteven Місяць тому

    I am back again. Always nice to review great talks.

  • @damilarephilip3667
    @damilarephilip3667 Рік тому

    This man strikes me as a very brilliant person. Kudos man, so effortless in his speech, very highly captivating.

  • @RichardOlowalu
    @RichardOlowalu 9 місяців тому +1

    Thank you Andrew and Stanford

  • @__________________________6910

    I always love to watch Andrew Ng videos.

  • @budmonk2819
    @budmonk2819 Рік тому

    Watched it non stop. A great teacher who can explain a very complex topic in a very simple way.

  • @lenhho8199
    @lenhho8199 Рік тому +3

    Very thoughtful talk and easy to follow, love it

  • @NelsLindahl
    @NelsLindahl Рік тому +6

    Thank you for sharing this one! I enjoyed your discussion of when to build and how to consider the idea.

  • @90schilllofi
    @90schilllofi Рік тому +11

    If you happen to read this keep going... You have the strength to overcome any obstacle. Celebrate your victories, no matter how small, and be kind to yourself. Your journey will lead you to a brighter tomorrow! 🦋🦋🦋

  • @bayesian7404
    @bayesian7404 Рік тому +1

    Brilliant thinker and very personable. Great talk.

  • @khengwahkoh1137
    @khengwahkoh1137 Рік тому +1

    Andrew Ng has excellent ability to explain complex AI topics in concise and layman terms!

  • @rahmatsyahf
    @rahmatsyahf Рік тому +196

    🎯 Key Takeaways for quick navigation:
    00:00 🤖 Dr. Andrew Ng discusses opportunities in AI as a general-purpose technology.
    01:26 🧠 AI comprises various tools, with supervised learning and generative AI being the most important.
    02:09 💡 Supervised learning excels at labeling and mapping tasks in various applications, such as spam detection, online advertising, self-driving cars, and automated visual inspection.
    05:50 🔥 Generative AI, like GPT-3, generates text based on supervised learning principles by predicting the next word in a sequence.
    08:06 🚀 Low-code and no-code AI tools are making it easier for developers to create customized AI applications rapidly.
    11:47 💰 Current AI value is concentrated in consumer software and the internet, but there is vast untapped potential in other industries.
    15:57 🛠️ The emergence of low-code and no-code AI tools is enabling AI adoption in diverse industries and use cases.
    20:47 🌐 Dr. Ng started AI Fund, an incubator, to explore diverse AI opportunities by creating startups.
    22:12 💻 Opportunities in the AI stack include hardware, infrastructure, developer tools, and applications, with application layer success being crucial for the ecosystem.
    23:36 🤖 Andrew Ng discusses Armor.ai, an AI-powered platform for romantic relationship coaching, highlighting the unique opportunities at the application layer where AI and relationships expertise intersect.
    25:28 🚢 Bearing AI is an example of using AI to make ships more fuel-efficient, demonstrating the process of validating startup ideas and bringing in a CEO from the beginning for efficiency.
    28:33 🌐 Andrew Ng emphasizes focusing on one's "swim lane," specializing in AI while collaborating with subject matter experts to explore exciting new opportunities in various domains.
    30:36 🧠 Engaging with concrete AI ideas efficiently validates or falsifies them and provides clear execution direction, making collaboration with subject matter experts more effective.
    32:00 🌍 Andrew Ng addresses the responsibility of ensuring AI projects benefit humanity ethically, acknowledging challenges like bias and the potential job disruptions.
    33:52 🤖 Artificial General Intelligence (AGI) is still decades away, and concerns about AI causing human extinction are overblown; gradual development allows for oversight and safety measures.
    35:40 🌏 AI, as part of the solution, can help address real extinction risks to humanity, such as pandemics and climate change, rather than being a significant threat itself.
    Made with HARPA AI

    • @cupotko
      @cupotko Рік тому +3

      Super! Which type of "youtube summary" command did you use, longer or shorter?

    • @anirudh247
      @anirudh247 Рік тому

      The timestamps seem to be wrong.

    • @j10001
      @j10001 Рік тому

      AI Fund is a _studio,_ not an _incubator._ Very different things.

    • @darksector1389
      @darksector1389 Рік тому +2

      HARPA needs to be fined tuned. Also unfortunately this won't work too well with visual representations and tables shown on the video.

    • @gautambatwar7231
      @gautambatwar7231 Рік тому

      Thanks

  • @owaisgul
    @owaisgul Рік тому +1

    Wonderfull lecture by andrew, 20 mins i am into video. I don't fill boring or obsessed. Learned alot, begginers friendly lecture delievered in a excellent way.

  • @InspiringKeynoteSpeakers
    @InspiringKeynoteSpeakers Рік тому +4

    Dr. Ng's insights on AI being a versatile and general-purpose technology are absolutely captivating. His analogy likening AI to electricity, highlighting their adaptability, is truly noteworthy. It's remarkable to witness the evolution of AI!

  • @bitanic
    @bitanic Рік тому +2

    Great talk!! One question / comment. When talking about the problems with AI, he didn't mention the opacity problem. The fact that we can't explain why an AI system gave a particular answer to a certain question is problematic, especially when these systems are deployed in settings that affect pepole's rights (like getting a loan, credit score, parole issues, etc.). Moreover, these systems can be manipulated by their users and developers. Users can deploy various attacks, and malicious developers might train the system to contain backdoors. The prodact is a black box. In many cases it's not a problem, but in many other cases it is.
    I'd love to hear what Andrew has to say about it.

  • @bhumikakhamitkar6132
    @bhumikakhamitkar6132 Рік тому +6

    Thank you for sharing your knowledge to everyone 🎉

  • @NileshHanotia-le6lm
    @NileshHanotia-le6lm Рік тому +3

    Andrew is really a source of inspiration. Thankyou

  • @aminrujul
    @aminrujul 8 місяців тому

    I'm happy to being part of as a viewer of stanferd University.... In future I hope new videos are coming....

  • @clifferttreven7376
    @clifferttreven7376 Рік тому

    This is a valid layer of how AI growth across sectors corresponds with each other! Andrew is a legend!

  • @ReeceGao
    @ReeceGao Рік тому +1

    The idea of generative AI with long tail business is very impressive. Thank you, Andrew.

  • @tjerja
    @tjerja Рік тому

    Very informative and insightful. A pleasure to watch / and easy to digest. - And now... onto my next AI training ;) 😃👍

  • @maydin34
    @maydin34 Рік тому +3

    Very informative speech! And I must admit that I envied the start up that found a chance to work with him. Geography matters...

  • @10NightLord
    @10NightLord Рік тому +12

    Amazing talk and insights, Dr. Andrew! I'm totally on board with the exciting future of the TI sector. However, I respectfully disagree about it taking decades. I believe AGI could emerge in just a few short years. Can't wait to see how things unfold with models such as Gemini! 🚀🤖

  • @mikaellelouch9821
    @mikaellelouch9821 Рік тому

    Great content to explain What's AI and Amazing speaker !. I'm love of Andrew NG ;)

  • @lisztk1928
    @lisztk1928 Рік тому +1

    Andrew is the complete sauce of being extremely good at theory and extremely pragmatic guy. I am so fascinated. A true inspiration for me

  • @alwaysyouramanda
    @alwaysyouramanda Рік тому +1

    I struggled most with textures in my 3D art. Now I can just prompt whatever I need! It’d amazing!! I’m so much more productive when I don’t have to worry about painting/drawing every detail!!!!

  • @ecuchetti
    @ecuchetti Рік тому +1

    Absolutely fascinating talk, Andrew!
    Your vision of "Data Centric AI" and the gradual, responsible development of AI technology is a powerful reminder of AI's potential to be a force for good. It's inspiring to think of AI not as a threat, but as a tool that can help us tackle some of the most pressing challenges of our times.

  • @aipristine
    @aipristine Рік тому +1

    Fantastic content, definitely worth 30min of your life to watch!

  • @samamamoo9882
    @samamamoo9882 Рік тому +1

    High quality overview of AI at present and possibilities for the future. Everyone interested in AI must check it out. Thank you'

  • @VijayasarathyMuthu
    @VijayasarathyMuthu Рік тому +5

    He is the reason why I am in AI space right now. Thank you, Sir. It all started in 2012 with Coursera.

  • @l_a_h797
    @l_a_h797 7 місяців тому

    Great presentation -- thank you for making it available.
    I do think it's funny -- and maybe a reflection on Andrew's humility -- that you can go through many YT videos about him and not hear his full name pronounced. What other well-known communicators can you say that about?

  • @emersontavera9362
    @emersontavera9362 Рік тому +8

    I've been learning frontend and backend cause it's the fastest path to getting a job, but from now I'm going deep into calculus, statistics and lineal algebra cause it's my dream to become an AI engineer

  • @prabhavkaula9697
    @prabhavkaula9697 Рік тому +3

    Great talk, Andrew is the goat 🐐

  • @KdiazY
    @KdiazY Рік тому

    Clear and solid explaination that clear my doubts about AI risk.. thanks doctor 👍🙏🏻

  • @Pavel.Fomitchov
    @Pavel.Fomitchov Рік тому

    Excellent presentation! I'm glad that I found it.

  • @krimdelko
    @krimdelko Рік тому

    Andrew is democratizing access to company building. Great purpose.

  • @KarimMarbouh
    @KarimMarbouh Рік тому +1

    Andrew is one of goats in AI, thank you for your dedication and hard work

  • @ashmohd6064
    @ashmohd6064 Рік тому +2

    Thank you so much, Andrew Ng!

  • @peronsh
    @peronsh Рік тому +1

    Andrew always delivers such interesting views. Everything I've encountered that he speaks about or does is simply great.

  • @smash666
    @smash666 Рік тому +2

    Great presentation. I love his humility and pragmatism when it comes to AGI. That's a shame the so called leaders of the silicon valley are not like him.

  • @n_qln
    @n_qln 9 місяців тому

    Simply amazing. 10:45 literally inspired me to write a whole python package to make this logic available to data analysts/scientists/engineers more widely (called dpq on github/pypi).

  • @MalamIbnMalam
    @MalamIbnMalam Рік тому +4

    Dr. Andrew Ng is amazing! I wish I could get his autograph.

  • @karenchen8004
    @karenchen8004 Рік тому +1

    Very valuable speech! Thank you very much.

  • @classicemmaeasy2292
    @classicemmaeasy2292 Рік тому +2

    His ways of explanation are top notch❤💯

  • @getabegaz
    @getabegaz Рік тому +3

    Thanks Andrew. AI should be seen as gen purpose tech is an eye opening point to generate ideas

  • @kahisawheel
    @kahisawheel Рік тому +3

    Andrew Ng is awesome. Love him.

  • @jayantmurty
    @jayantmurty Рік тому

    It takes a brilliant mind like Andrew to make complex things relatable and understandable for most people

  • @eddisonlewis8099
    @eddisonlewis8099 Рік тому +2

    This lecture can only be described as awesome in practicality as with the real time application of artificial intelligence.

  • @konradszwed3659
    @konradszwed3659 Рік тому +1

    Excellent presentation. Kudos!

  • @authorizedunknown6647
    @authorizedunknown6647 Рік тому +5

    Truly an inspiration and reason to love learning AI

  • @黄小小-d9t
    @黄小小-d9t Рік тому

    A wonderful lecture. I’ve learned a lot from him. Firstly, use AI to creat products which can offer long term value. Second, validate concrete ideas rather than explore in a wide areas to find what is really useful. Finally, AI is just a technology. We can use AI to make a better world.😊

  • @skymakeryo
    @skymakeryo Рік тому +1

    Excellent presentation and speech!