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guzik

806 karma · joined April 4, 2017

Building Aidlab.com – started as a way to hack together my own medical data collection. Turns out I wasn't the only one who thought that was useful. Now hundreds of researchers, doctors, and devs around the world are tinkering with it too!
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guzik··on We've replaced our rule-based health engine with LLM
Do you mean hallucinations? We know about them and thought about adding some post-checks to our pipeline. Can you share more?
guzik··on We've replaced our rule-based health engine with LLM
The second link is broken: "no healthy upstream"

Edit: it works now. Are you the author? I’d be happy to add a reference to it.

guzik··on Show HN: We made a tool to help developers improve OpenAPI specs
Hug of death? I'm getting a '500 Internal Server Error' when I press "open the report." Also, it's unclear how to obtain the api key from the README.

btw. maybe it might be better if this was integrated into the linter of your framework that builds the OpenAPI specification?

guzik··on Google Pixel 9 Pro
Well, on the contrary, we’ve worked extensively with Bluetooth since we're in the business of creating wearables. Unfortunately, we've had to compile a list of unsupported Android phones that exhibited unusual behaviors, such as sudden disconnections.

I must say that both Samsungs and iPhones have always been rock solid in terms of stability.

guzik··on Moments in Chromecast's history
Oh wow, I was using it incorrectly—thanks for indirectly correcting me! I thought I could use it to emphasize that something is indeed true.
guzik··on Moments in Chromecast's history
Just this morning, I was chatting with a colleague about how much I love Chromecast and how relieved I am that it hasn't been discontinued. Then, an 3 hours later, I read this news, and it really bummed me out.

Honestly, I'm not sure which company frustrates me more right now. Updating apps on Google Play has become a nightmare compared to Apple, where review times can stretch to two weeks (sic). Plus, the google search is practically useless.

guzik··on [dead]
540 points and no comments? How is that possible?

Edit: this is gaining points at an incredibly fast pace.

Edit 2: Ok, this is the same scam as the one from the previous similar-sounding account: vcinvestments

guzik··on NodeSwift: Bridge Node.js and Swift
Actually, we are using Node/Nest from the start. A significant amount of our business logic was written in Swift for our iOS mobile app, which we eventually moved to the microservices (Vapor). This was because we needed to create an Android app and didn't want to write new code from scratch.
guzik··on NodeSwift: Bridge Node.js and Swift
Oh my, yes! We have some legacy microservices written in Swift/Vapor (while our main stack is NestJS) and instead of rewriting them to TypeScript, we can use this. Cool!
guzik··on Show HN: HowToWare – Learn how hardware startups are making money
Hey, really neat idea. What is your process for choosing which companies you'd like to interview?
guzik··on Eko Health scores $41M to detect heart disease earlier and more accurately
I don't think you can separate these two things in medtech/hardware. It's almost impossible to build a product without money, and you certainly can't bootstrap this.

> Like how do you get the data to build the product that makes the product worth buying in the first place?

Our path:

1. Raise the money.

2. Build a better prototype (let's call it a 'data collector').

3. Create datasets from the new prototype through studies/clinical trials.

4. Apply ML.

5. Develop the next iteration with the newly built models.

6. Profit time.

guzik··on Eko Health scores $41M to detect heart disease earlier and more accurately
Why do you assume it's bootstrapped? We have followed a similar path at Aidlab (although we raised a modest $2M instead of $41M), but we had a clunky prototype and a strong pitch deck with a solid team. Sometimes that's enough!
guzik··on Google Fit APIs get shut down in 2025, might break fitness devices
Ouch. Is this going to give our developers another unnecessary workload as we have to update our apps and integrations? Is there at least somewhere I can read about the benefits of switching to Health Connect?
guzik··on Ask HN: How to do simple heartbeat monitoring?
I can highly recommend Better Stack. We have never been let down by their service.
guzik··on Ask HN: How do you ask users about their pain point?
Here in Poland, we have PARP - a government organization that helps small to medium-sized businesses by covering almost all attendance costs, excluding travel.
guzik··on Ask HN: How do you ask users about their pain point?
I've found LinkedIn difficult to get feedback from GPs. Have you tried attending medical conferences? In some countries, you can gain access to the world’s largest conferences for free if you apply through certain organizations.
guzik··on Spline – 3D Design tool in the browser with real-time collaboration
I'm not sure what's happening with Spline, but it seems like some features are being disabled one by one and then transferred to the paid plan without any notice. Am I the only one noticing this?
guzik··on Ask HN: Is Heroku's DNS Down?
Yes it is.

edit: it is up&running now.

guzik··on Conversation with Zuckerberg, this time we talked as photorealistic avatars
Zuck said it would take more than few years.
guzik··on My solopreneur story
Xnapper is really cool. Anything similar but for videos?
guzik··on Hard-Core Sleepers Obsess over Their Snoozing Stats
This is part of something bigger called the "quantified self.".
guzik··on Show HN: Every Breath You Take – Heart Rate Variability Training
I'm curious, have you explored compatibility with other hardware as well, like the Polar H7 or even other types of physiological monitors? We've conducted a study comparing Aidlab physiological monitor’s accuracy of heart rate variability measurements with the Polar H7 and found a high correlation in the data. It would be interesting to know how your app performs when paired with various hardware.
guzik··on Effectiveness of physical activity for improving depression, anxiety, distress
I completely agree that more research isolating sunlight exposure as an independent variable would be interesting. I live in Poland, where we effectively have about 2-3 months of warm, sunny summer with long days. I generally go for long walks throughout the year, thanks to the natural surroundings here—beautiful forests and the sea.

I've noticed a significant shift in my mood during June, July, and August, which aligns with those sunny days. My mood changes from "okay" to "fantastic," and I've been tracking this shift year over year. The combination of physical activity and sunlight exposure certainly seems to have an "amplifier effect" on overall well-being.

guzik··on Ask HN: I’m an FCC Commissioner proposing regulation of IoT security updates
Valid point. Customers would then need to prepare for a new reality where their options are limited and potentially more expensive.
guzik··on Ask HN: I’m an FCC Commissioner proposing regulation of IoT security updates
Ah, the utopian dream of a world where every manufacturer gives away their intellectual secrets just so users can play tech guru. You're suggesting that companies offer up decades of R&D and risk their competitive edge, or else face 30 years of liability? With the speed at which technology evolves, we're lucky if a device is even relevant after 30 months. And let's not forget the minor detail of skyrocketing costs. Want a device built under these fantasy rules? Hope you're ready to pay through the nose—think 10 times the current price. Because nothing says 'accessible technology' like pricing out the average consumer.
guzik··on Ask HN: What's the coolest physical thing you've made?
To me, it was Aidlab, a smart chest strap that collects and analyzes various biosignals, which I co-created.

This is a picture of my co-founder Karol and me, holding the first prototype of Aidlab : https://qph.cf2.quoracdn.net/main-qimg-44d4794da932b128c2bf6...

(plot twist - it wasn't a chest strap at first haha)

guzik··on Thunderbird 115
I would advise against installing the beta for anyone considering it. I was in the beta for 2 years (mostly because it's quite challenging to get out of the beta), and the quality of the beta releases leaves a lot to be desired.
guzik··on Thunderbird 115
As a long-term Thunderbird user, it saddens me to see the direction in which this client's development is heading, and I am seriously considering making a change. There are a few things I am discontented with, like the rather amateurish look and feel of the app. On top of that, there are many basic client features missing, such as templates (drafts are horrendous) and send later functionality (right now, I think I'm using about 2 add-ons, each of which is awful to use).
guzik··on Finish your projects
Hellway (https://store.steampowered.com/app/2053250/Hellway/)
guzik··on Finish your projects
The 3% completion figure initially came from my estimate that only the outro was left to be done, which could feasibly be considered as around 3% of the overall game. However, I hadn't taken several factors into account:

- Releasing on platforms and setting up a Steam account.

- Marketing and creating promotional graphics.

- Bug fixes that were discovered by hardcore gamers, who we didn't have access to for testing a decade ago.

- After 10 years, some Unity plugins needed to be updated and adapted.

- Also important to consider is that I ultimately decided against a mobile version and had to rework the game for desktops.

These factors ended up extending the process much more than I initially thought, but the figure of 3% had stuck with me from the beginning, illustrating how finishing touches often require a lot more time and effort than we might initially anticipate.

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