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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈

@marcin.floryan.se
212 followers 141 following 113 posts

marcin.floryan.se

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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 23/05/2026
Very interesting, humane, factual conversation about healthcare systems and abysmal cuts in global aid with @agawande.bsky.social #podcast #healtcare open.spotify.com/episode/0beE...
open.spotify.com
131. The Global Health Crisis: USAID cuts, Trump, and the limits of AI (Atul Gawande)
Spotify video
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 20/02/2026
I got this newsletter update from Lufthansa and I kind of like what they do here with explicitly offering an option to unsubscribe. You noticed how the image didn't load, yup, that's how they don't know if I'm reading it. There is some honesty in the message, what do you think?
A screenshot of an email saying:

For some time now you haven’t opened your Lufthansa Newsletter. Would you like to continue receiving it? If so, please simply click on ‘Keep subscription‘. We look forward to sending you up-to-date information and news from the world of Lufthansa in the future too.

Keep subscription


[spacer]

If you are no longer interested in receiving inspiration, information, and offers from the world of Lufthansa, you can unsubscribe from the Newsletter directly here.

Unsubscribe
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 16/02/2026
Wow, it's 2026 and Microsoft Excel still hangs and crashes when a network connection is slow or down?!
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 25/07/2025
Bats of Bluesky
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 14/07/2025
I sure did not expect Gemini to spill the beans in response to my request for a cooking timer. And yet it did. Maybe it thinks I speak JavaScript. The timer sure works. @kevlin.bsky.social does this quality as one? Software revealing its guts not just in failure? 🤔
A screenshot of the Gemini app on an Android phone showing some code in response to a timer request.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 14/06/2025
A very thoughtful and informative article on the causes of excessive cost of nuclear energy. worksinprogress.co/issue/the-ba...
worksinprogress.co
The bad science behind expensive nuclear - Works in Progress Magazine
How 1920s experiments on fruit flies and a secretive weapons testing programme made nuclear energy unaffordable
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 11/05/2025
I'm loving the new e-ink displays that are appearing across Stockholm's SL public transport network. They are sharp, clear, work high contrast and low power consumption.
Digital bus stop display showing departure times for three buses in Täby, Sweden. Bus 610 to Vallentuna (Rosengården) is arriving "Nu" (Now), Bus 611 to Täby kyrkby in 2 minutes, and Bus 605 to Gribbylund in 3 minutes. The display is mounted under a glass shelter with part of a building and blue sky visible in the background.
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Reposted by Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈
Kevlin Henney @kevlin.bsky.social · 30/04/2025
I'm running my Keeping It Simple masterclass a few times at conferences over the next few months: Codecamp, Bucharest, 6-7 May codecamp.ro/masterclasse... SDD, London, 12 May sddconf.com/agenda GOTO Copenhagen, 30 September gotocph.com/2025/masterc...
codecamp.ro
Keeping It Simple – Codecampburger_menu-btnclose icon
Codecamp - Your IT Conference in Romania - Bringing you fantastic insights from the best minds in the IT industry, the people who changed the game in software development
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 01/05/2025
I'm a little confused by this information from Gemini about the lack of end-to-end encryption. I'm pretty sure the only reason to not encrypt is do that Google can see the message...
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 22/04/2025
Listening to the media commentary on the death of Pope Francis I'm surprised by the liberal vs. conservative narrative. I don't hope for another "liberal" pope but a leader who continues the truly traditional work of the Gospel: serving the poor, seeking justice, and building bridges. #HolySea
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 22/04/2025
I wonder how much longer we'll get to see #KevlinHenny software failures in the wild. I mean the _revealing_ kind. The new failures of the AI kind tend to be more of the opaque #FailWhale "Something Went Wrong" kinds.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 06/04/2025
A smear of butter, a glimpse into chaos. Nature’s fractals show up where we least expect them — even on a knife blade. #Fractal #ChaosTheory #NaturalBeauty
Butter on a knife edge that has formed a tree-like fractal pattern
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 27/03/2025
It's kind of cute when speakers at technology conferences create analogies to domains they have no idea about 🤭 I'm sure these analogies work for the majority of participants but feel funny when you know how things actually work in that domain.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 23/03/2025
C'mon MacOS, keep up with the times. Your Activity Monitor is still only showing the CPU chart, what about the GPU?
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 18/03/2025
My friend @hejelin.bsky.social together with @gergely.pragmaticengineer.com are sending out a survey as part of the "Pragmatic Engineer" newsletter. If you are working as an engineer or a manager in technology please take 5-15 minutes and share your perspective. 📋 docs.google.com/forms/d/e/1F...
docs.google.com
What is in your tech stack?
Hi 👋 this is Gergely and Elin at The Pragmatic Engineer (https://pragmaticengineer.com). We want to know what tools, languages, frameworks and platforms you're using today! We want to get a realisti...
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Reposted by Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈
George Takei @georgetakei.bsky.social · 17/03/2025
I know this first hand. When I was a child, my entire community was branded as spies and sabateurs, justifying our internment inside barbed wire camps for years without due process, trial or charge.
X post by Timothy Snyder (@TimothyD
...),  posted 6 hours ago. The post reads, "The people Attorney General Bondi is calling 'terrorists' have had no trial and no chance to defend them. We do not know they are. Ignoring the Constitution does not make us safe. It puts us all in peril."
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 18/03/2025
Congratulations to the Gimp team🥳 And if you want a vector image editor, an Adobe Illustrator alternative, that is free and open source check out Inkscape at inkscape.org/release/inks...
inkscape.org
Download Inkscape 1.4 | Inkscape
Inkscape 1.4 is the latest major Inkscape release that brings you many fresh new features and new functionality.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 16/03/2025
”The single most effective habit is the willingness to change your own mind“
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 11/02/2025
Where is generative AI when one needs it... For example to generate the ALT text for photos. It works remarkably well. I want it right in my workflow seamlessly integrated.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 11/02/2025
Perfect spot to review some #XPconf submissions.
A black MacBook laptop is open on a wooden table, displaying a lock screen with a forest wallpaper and the time "15:36" on Tuesday, 11 February. The table has a natural, rustic appearance with visible knots in the wood. Surrounding the laptop are stacks of books, potted plants, and a power strip. The scene is set in a well-lit, cozy space with large windows in the background, showing an outdoor winter landscape with bare trees and a snowy ground. A person is sitting in a woven chair near the window, partially visible in the background.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 09/02/2025
Interesting development in the European electricity grid. www.reuters.com/world/europe...
reuters.com
Baltic nations cut ties to Russian power grid, prepare to link with EU
The three Baltic states disconnected their electricity systems from Russia's power grid on Saturday, the region's operators said, part of a plan designed to integrate the countries more closely with the European Union and boost security.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 15/01/2025
“People fantasize that strong-man rule will be simple and stable, but for everyone except the strong man it is exhausting and destructive.” ~T. Snyder
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 08/01/2025
Starting the new year with a new 📺 terminal emulator on Mac. I used iTerm for a long time and completely by chance bumped into 👻 ghostty.org. It's written in zig by Mitchell Hashimoto, has just been released and I'm ❤️ loving it. It's fast, os-native and feature-rich with sane defaults.
ghostty.org
Ghostty
Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 25/12/2024
I just completed ⭐️ all 25 days of 🎄 Advent of Code 2024! This is my annual opportunity to practice blurry-eye coding and have fun solving puzzles. Thank you for putting together all the fun challenges @was.tl #AdventOfCode adventofcode.com
adventofcode.com
Advent of Code 2024
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 20/12/2024
For the past three months I have tried to take a peek at the future of AI-fuelled software development. The result? A mix of powerful insights, frustrating hiccups, and plenty of learning opportunities. marcin.floryan.se/blog/2024/12...
marcin.floryan.se
Experience in LLM-assisted software development
Marcin Floryan: Working with psychological safety, technology and complexity to understand and influence systems of work. http://pronoun.is/he; agile descaler @Spotify
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 08/12/2024
Humans are full of emotions that can have a very high generative energy. It's such a shame when organisations limit the spectrum of emotions that are engaged to a single one: fear.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 05/12/2024
One company seems to integrate their IT systems with the help of carrier pigeons. hat else could explain this?!
A small part of a screenshot from a web page displaying conformation of unsubscribing my email address from their mailing list. 

It says it will take them 10 days to stop sending offers and news.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 05/12/2024
We are bombarded with information. Most social platforms keep us in neat and distinct bubbles. Confirmation bias is rampant. Remaining curious and critical is a key skill. Here is a small personal story of confronting one of my own views. marcin.floryan.se/blog/2024/12... #blog #informationBias
marcin.floryan.se
Do you trust your sources?
I don’t eat meat 🥩. To be precise, I mostly don’t eat meat. I explicitly and deliberately choose to not eat meat because I believe that reducing the amount of meat, mostly beef, we consume, has a posi...
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 03/12/2024
I was listening to a nice podcast episode this morning (open.spotify.com/episode/1yNr...). It's very good and for a moment I caught myself thinking that it sounds like NotebookLM. I'm pretty sure it's not. Uncanny
open.spotify.com
Nature of Intelligence, Ep. 2: The relationship between language and thought
COMPLEXITY · Episode
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 28/11/2024
Apparently there are still websites (in the UK) that ask you for security questions when you create a new account. Security questions?! Really? Has anyone else seen that recently? I thought that was considered poor security practice
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 19/11/2024
Internet upgrade arrived. Moving over to WiFi 6 and a more robust gateway. #internet #homeNetwork #UniFi #Ubiquiti
A picture of two boxes containing UniFi network hardware. One has a WiFi access point that supports WiFi 6, the other one has a Cloud Gateway Ultra
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 19/11/2024
This time of year is a good opportunity to test your code with regards to DST. I wrote a simple app that pulls stats about my electricity prices and does some analysis. Suddenly my app fails. Turns out Pandas would rightly want me to explicitly declare when I parse UTC times. Timezones are hard.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 19/11/2024
Almost anywhere I look there is an opportunity for the software we're interacting with to get better. Here, something as simple as sort order is missing. I think some of this is related to the fact that quality professionals are undervalued. What else? I can't see AI fixing any of this.
A screenshot from a package tracking app. There are four steps in the delivery process listed. Step number two is highlighted with 2024-11-19 as it's date as the current "latest" step. The third step in the process is dated "2024-11-18" and is marked as "not yet completed".
So my goods are out for delivery but they are also NOT ready to be delivered yet 🤷🏻
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Reposted by Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈
Jason Gorman @jasongorman.bsky.social · 19/11/2024
If I were to say "Python/Full Stack" + "Extreme Programming" in the context of Australia - Melbourne, but anywhere in Oz is good - who do I know that's: a. Done it for real (& you *know* I'll know!) b. Might be looking for a senior dev/eng role with a growing A.I. start-up? Ping me if interested
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 18/11/2024
In Sweden it's the weather that's mostly dictating the energy prices and obviously the European energy market. Happy we're no longer tied to gas and the share of renewable and nuclear in electricity generation is 98%
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Reposted by Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈
Camille Fournier @skamille.themanagerswrath.com · 18/11/2024
If you really care about productivity, why aren't you examining the value of mandatory code review? I know this is my least popular take, but it remains unclear to me that it improves quality commensurate to cost, and it's the most unquestioned shibboleth in tech today
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Reposted by Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈
Rosie Sherry @rosiesherry.com · 17/11/2024
These little things motivate me to keep posting here on Bluesky. 💙 bluesky-heatmap.fly.dev Thank you @alice.mosphere.at
my rosiesherry.com bluesky heatmap generator, as you can see, I took a break, but I'm back!
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 17/11/2024
Into time 👋🏻 I'm Marcin, I have lived in a few countries across Europe, now in 🇸🇪🫎Sweden and loving it here. I'm a 👨🏻‍💻 software engineer who got curious about 👥people too and became a manager. I've been in leadership positions for the best part of the last two decades, most recently at 🎧🎶📱Spotify.
A selfie picture of Marcin standing in front of a large green Spotify logo in the "Urban Escape" office in central Stockholm.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 14/11/2024
Joining a Teams online meeting Microsoft Teams: "Hey, do you want to sign in for a better experience?" Me: "I don't know about that, but let's try" MT: "There, you're logged in now." Me: "But where is my meeting" MT: "Meeting, what meeting? Look at all the fancy things you can instead" No, thanks
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 10/11/2024
If you are looking for a great #productManagement #podcast then I would invite you to check out Lenny's Podcast. Great conversations and great guests. In particular the recent episode with Shreyas Doshi is excellent. Both entertaining and inspiring. open.spotify.com/episode/5sRh...
open.spotify.com
4 questions Shreyas Doshi wishes he’d asked himself sooner | Former PM leader at Stripe, Twitter, Google
Lenny's Podcast: Product | Growth | Career · Episode
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 08/11/2024
It was such a pleasant surprise to see how easy it was to setup myself as @marcin.floryan.se here :-) Feels like a nice way to have a slightly more authentic identity without all the blue tick hassle.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 07/11/2024
A way I'm beginning to see AI used (or specifically LLMs and Agents) is providing a new interface (chat, voice) over existing systems and applications. Maybe the interface is more natural but it doesn't seem to be more efficient. Are we going to excuse bad usability and un-ergonomic design this way?
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 07/11/2024
- What's your favourite question? - The one that gets asked.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 06/11/2024
I'm thinking 🤔, what will the election* results signal to people about leadership? Makes me even more motivated 💪🏻 to challenge and change the idea of "strong, decisive and controlling" leaders being most valuable and most impactful. And the idea that leaders have to be men.😔 *🇺🇲US presidential race
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Reposted by Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈
Beth @bethcodes.bsky.social · 05/11/2024
Too many software companies incentivise developers to care more about their performance reviews than their performance.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 06/11/2024
I'm looking forward to all the world's conflicts ending next week. Right? Right?
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Reposted by Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈
Esther Derby @estherderby.bsky.social · 05/11/2024
Do it. For freedom.
Me proudly wearing an "I voted" sticker
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 04/11/2024
ChatGPT still can't count the number of jars we made from the apples in the garden. Gemini only attempted the count after I told it ChatGPT can't do it. It counted 20. Computer vision still has some way to go. #AI #ChatGPT #computerVision
Rows and rows of jars with apple jam standing on a kitchen counter.
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Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈 @marcin.floryan.se · 03/11/2024
I worked with Staff Engineers who wrote more code than any other engineer in the company. I worked with ones who wrote less code than I did. It's not an either-or. It's necessary to see the big picture, it's possible to see the big picture and code. There are many ways to have an impact, all valid.
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Reposted by Marcin Floryan 🇸🇪🇬🇧🇵🇱, 🇪🇺🏳️‍🌈
Randall Munroe @xkcd.com · 03/11/2024
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