My answer:

All this technology: Radios, Television, Pocket computers that you can just pull knowledge from that also perfroms the functions of various other gadgets which are also made possible by modern technology. And of course, THE INTERNET!

Standardization:

USB-C is awesome! :D

The world just uses AC power.

Metric system

Countries all around the world agreeing to a certain set of rules: Such as in Aviation, the world agreed to use Aviation English and standard phraseology, emergency frequency is 121.5, 3-Letter codes that is unique to every commercial airport in the world.

Treaties:

My favorite thing is the Kyoto Protocol [Edit: Montreal Protocol, mixed that one up]. We stopped the ozone from getting fucked. Now we need to do the same with climate change… 👀

Co-operation:

I was at a traffic light and it’s just amazing how (almost) everyone just follows the lights, and not just try to run red lights. Yay! (okay i know its just called “obeying the law” but still, I find this interesting)

International Space Station… (at least until a certain country withdrew… 👀)

  • CookieOfFortune@lemmy.world
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    2 days ago

    I’m in the NICU right now. Mother and child would probably be dead without modern medicine. Instead everyone knew what to do and everyone made it out safe and sound.

  • Art35ian@lemmy.world
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    4 days ago

    Food.

    I can make a plate of food that has 10 different elements from all over the world in about 15 minutes, costing about $10.

    100 years ago people barely had reliable access to salt and pepper.

    • neidu3@sh.itjust.worksM
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      3 days ago

      This may get you banned from Italy, but international fuckery with Lasagna is awesome: mix in some taco spices and serve with nacho chips.

      • Postmortal_Pop@lemmy.world
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        3 days ago

        Once made a dessert lasagna. Cream cheese/ricotta cheesecake with vanilla and honey for the cheese layer. Forest berry preserve for the sauce, and I crumbled walnut, pecans, and raisins for the meaty bits. Fantastic concept, but I used Lasagna noodles just like in a normal lasagna and frankly they were the weak link. Just flavorless noodles running through an otherwise excellent treat.

        If I ever go back to try it again, I’ll press my own noodles with spices and a touch of honey. That will be the ticket.

          • Postmortal_Pop@lemmy.world
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            3 days ago

            Probably, but that wouldn’t quite have the same effect. Though a layering of pumpkin pie and cheesecake could be an alternative to jam…

    • HobbitFoot @thelemmy.club
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      3 days ago

      Yeah. I watch some historic food shows and they make it a point to highlight that food was generally not as fresh or plentiful as today.

    • Bloomcole@lemmy.world
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      3 days ago

      100 years ago people barely had reliable access to salt and pepper.

      That’s a bit of a stretch.

      IDK where you live but here in Europe there are at least 500 yo recipes with spices from all over the world. And no, not exclusively for the rich. Trade routes were always important. What they had was also certainly more healthy 100 years ago than the ultra processed garbage of today.

  • Yingwu@lemmy.dbzer0.com
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    4 days ago

    The information superhighway as we called this thing way back when. Wikipedia, the Internet Archive, Gutenberg, free MOOCs, shadow libraries and what not are a godsend.

  • AA5B@lemmy.world
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    3 days ago

    Safe public water systems, fluoridated

    Pasteurized milk

    A large public agency looking after the safety of our food supply

    A large public agency with global connections to detect new diseases before they spread

    • Singletona082@lemmy.world
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      3 days ago

      Don’t worry. In the US the current administration/regime is trying to remove all that. the CDC is already communications dark and the US has withdrawn from WHO.

  • Presi300@lemmy.world
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    3 days ago

    GPS and navigation in general. I cannot live without it.

    Messaging apps. Those who’ve been in a long distance… You know, not having to use sh!t like SMS or pay stupid amounts of money for roaming is a godsend.

    High refresh rate screens. Doesn’t matter what it is, every screen should be at least 90Hz. Preferably 120Hz. Especially on smartphones. 60Hz is completely unacceptable if you’re paying any more than 100~150$ for a phone.

  • 𝘋𝘪𝘳𝘬@lemmy.ml
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    4 days ago

    Free public education and healthcare are awesome, too. It really shows how much we as a society have grown and left behind the dark ages where those were for the rich only.

  • zxqwas@lemmy.world
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    4 days ago

    I’m currently holding a rectangle of carefully organized sand and I can effortlessly argue with strangers just about anywhere in the world.

  • pastermil@sh.itjust.works
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    3 days ago

    Vaccine, antibiotic, and the entirety of our modern healthcare.

    I really appreciate that people don’t just die out of nowhere anymore.

  • Postmortal_Pop@lemmy.world
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    3 days ago

    Pictures of animals. Back when I was little, we had animal books with pictures of animals but of it wasn’t in the books, you’re out of luck. Now I can look at baby goats doing all sorts of silly things! Albino opossum? Dozens of them! Squirrels in hats? Everywhere!

    It’s an absolute majesty.

  • Kng@feddit.rocks
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    4 days ago

    Honestly its just how cheap computer hardware has gotten. It might seem crazy but the fact that I can basically do everything I could ever need to do on a computer on a cheap windows laptop is nothing short of amazing.