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#quantifiedself

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Bastian Greshake Tzovaras<p>Oh, fun: Someone did some personal science to evaluate if _they personally_ benefit from "AI", and this is what they found: </p><p>«Yes, it’s a limited sample and could be chance, but also so far AI appears to slow me down by a median of 21%, exactly in line with the METR study. I can say definitively that I’m not seeing any massive increase in speed»</p><p>Where's the Shovelware? Why AI Coding Claims Don't Add Up<br><a href="https://mikelovesrobots.substack.com/p/wheres-the-shovelware-why-ai-coding" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mikelovesrobots.substack.com/p</span><span class="invisible">/wheres-the-shovelware-why-ai-coding</span></a></p><p><a href="https://scholar.social/tags/quantifiedself" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantifiedself</span></a></p>
heise online<p>heise+ | Erfahrungsbericht zum Abnehmen mit smarten Gadgets: Wie Technik helfen kann</p><p>Smartwatch &amp; Co. sollen zu mehr Bewegung und gesundem Lebensstil motivieren. Doch wie sehr helfen solche Tracker im Alltag? Ein persönlicher Erfahrungsbericht.</p><p><a href="https://www.heise.de/ratgeber/Erfahrungsbericht-zum-Abnehmen-mit-smarten-Gadgets-Wie-Technik-helfen-kann-10456609.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">heise.de/ratgeber/Erfahrungsbe</span><span class="invisible">richt-zum-Abnehmen-mit-smarten-Gadgets-Wie-Technik-helfen-kann-10456609.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon</span></a></p><p><a href="https://social.heise.de/tags/FitnessTracker" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FitnessTracker</span></a> <a href="https://social.heise.de/tags/Mobiles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Mobiles</span></a> <a href="https://social.heise.de/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a> <a href="https://social.heise.de/tags/Wearables" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wearables</span></a> <a href="https://social.heise.de/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>news</span></a></p>
dration<p>This has to happen sooner or later. My fitness tracker logged my sexual activity as a bike ride. </p><p>Apparently, my “ride” was 1.16 kilometers with average speed of 2.9km/h </p><p><a href="https://mastodon.social/tags/sex" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sex</span></a> <a href="https://mastodon.social/tags/quantifiedself" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantifiedself</span></a> <a href="https://mastodon.social/tags/fitbit" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fitbit</span></a></p>
Harald Klinke<p>How accurate is your Apple Watch?</p><p>A new meta-analysis from the University of Mississippi reviewed 56 studies comparing Apple Watch data to clinical tools.<br>Result:<br>✔️ Accurate for heart rate (4.4% error)<br>✔️ Fair for step counts (8.2% error)<br>⚠️ Inaccurate for calories burned (28% error)</p><p>Wearables are useful for habits and motivation—but not diagnostic tools.<br>Full study: <a href="https://olemiss.edu/news/2025/06/apple-watch-accuracy-study/index.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">olemiss.edu/news/2025/06/apple</span><span class="invisible">-watch-accuracy-study/index.html</span></a><br><a href="https://det.social/tags/Wearables" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wearables</span></a> <a href="https://det.social/tags/FitnessTracking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FitnessTracking</span></a> <a href="https://det.social/tags/HealthTech" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HealthTech</span></a> <a href="https://det.social/tags/AppleWatch" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AppleWatch</span></a> <a href="https://det.social/tags/SportsAnalytics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SportsAnalytics</span></a> <a href="https://det.social/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a></p>
Karsten Schmidt<p>"Eventually, I stopped responding to my body. I was responding instead to a dashboard." — <span class="h-card" translate="no"><a href="https://mastodon.social/@Daojoan" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>Daojoan</span></a></span> </p><p>This is a great point and very much translates to so many other parts of life/work where people stop listening to their "body" (or to their org/product/offering), outsourcing/numbing/dumbing down their decision making based on dashboards of collected metrics and then changing their behaviors on auto-pilot to improve said metrics — without ever asking themselves if the data collected actually represents answers to the right (or even important) questions...</p><p>Metrics always invite comparison &amp; competition — on a global scale — often without considering our own subjective contexts/needs/limits/aims...</p><p>Does the number of copilot prompts per day on a CTO dashboard indicate a highly productive developer or does a big fat zero merely show a different approach to problem solving?</p><p>Does the lack of constant updates to a FLOSS project mean it's become neglected/unusable or does it simply indicate it reached a level of stability?</p><p>Likewise, does my product/app need constant UI changes/updates to "streamline" user experience (often without even consulting users) based on some "goal" metrics?</p><p>Am I seen as an unproductive FLOSS developer if my public commit log doesn't show daily updates? Do gaps indicate laziness, illness, deep thinking or work on other projects? Like gaps in a CV, will these gaps of activity data hinder future employment chances or would I even want to work with orgs who select on this criteria?</p><p>Is a hike only good/better because it exceeds X kilometers or Y elevation meters? How does one measure the stunning views or the quality of the company which shared that experience?</p><p><a href="https://www.joanwestenberg.com/why-i-gave-up-my-smartwatch/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">joanwestenberg.com/why-i-gave-</span><span class="invisible">up-my-smartwatch/</span></a></p><p><a href="https://mastodon.thi.ng/tags/Blog" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Blog</span></a> <a href="https://mastodon.thi.ng/tags/Dashboard" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Dashboard</span></a> <a href="https://mastodon.thi.ng/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a> <a href="https://mastodon.thi.ng/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a> <a href="https://mastodon.thi.ng/tags/Behavior" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Behavior</span></a> <a href="https://mastodon.thi.ng/tags/DecisionMaking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DecisionMaking</span></a></p>
Liv<p>More personal data analysis! I can confidently say that I'm 19% happier on average than I was 18 years ago. Consistent 1% YoY growth in happiness. <a href="https://ori.social/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a></p>
Bastian Greshake Tzovaras<p>Here's some updates on the little 'Personal API' Django app I made for getting some status updates in the footer of my website.</p><p><a href="https://tzovar.as/updating-personal-api/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">tzovar.as/updating-personal-ap</span><span class="invisible">i/</span></a></p><p><a href="https://scholar.social/tags/personalscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>personalscience</span></a> <a href="https://scholar.social/tags/quantifiedself" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantifiedself</span></a></p>
Dave Mackey<p>You know what would be really cool? A <a href="https://hachyderm.io/tags/quantifiedself" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantifiedself</span></a> person influence monitor. Say I have a <a href="https://hachyderm.io/tags/Fitbit" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fitbit</span></a> and Joe has a Fitbit, we could have them detect when we are in proximity (if both people agreed) and then it would let us know over time how being around the other person influenced us - e.g. did heart rate variability increase or decrease (do they relax us or cause stress), did we burn more calories (maybe we usually go on hikes together), did we sleep better that night, and so on.</p><p>There are definitely people in my life who I'm pretty sure have significant effects on me in both directions, it'd be awesome to quantify them.</p><p>It would also be cool if one could do this without data sharing - e.g. maybe one presses a button on ones device to indicate one has entered x's presence and again when one has exited...</p><p>Honestly, I'd totally forget to do this...so something passive would be better - e.g. when you want to start tracking the next time you are around someone you press a button and it scans for electronic signatures and identifies Bluetooth etc. uniquely so that when you are around then it auto knows and can record...</p><p>The latter raises issues of <a href="https://hachyderm.io/tags/consent" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>consent</span></a> and <a href="https://hachyderm.io/tags/privacy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>privacy</span></a>...I'm not sure how/if one could do this in an ethical manner...but I'd like to have it 😂</p>
Bastian Greshake Tzovaras<p>As part of moving away from iOS, I've also replaced my Apple Watch with a Garmin device. Which means I'll have to figure out a way to get some of those data out to display it in my website footer!</p><p>Does anyone have a recommendation/existing solution for how to export small chunks of that data in regular intervals to an HTTP endpoint? Or will I have to learn how to use the Garmin API after all? 🙈 </p><p><a href="https://scholar.social/tags/wearables" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wearables</span></a> <a href="https://scholar.social/tags/fitness" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fitness</span></a> <a href="https://scholar.social/tags/quantifiedself" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantifiedself</span></a> <a href="https://scholar.social/tags/personalscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>personalscience</span></a></p>
Max Leibman<p>Continuous glucose monitoring is kind of a miracle, but one of the shortcomings of the one I use (FreeStyle Libre) that I find irksome: a precipitous decline in blood sugar will cause the sensor to go offline. It’s always, always a sharp decline, but never for a spike. </p><p>Glucose shooting up because you’ve been irresponsible? Nope, we saw that. It’s in your permanent record. </p><p>Glucose coming down fast because you’re doing something good for yourself? We’re gonna take a break. You don’t need that accomplishment in your graph, do you? </p><p><a href="https://beige.party/tags/diabetes" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diabetes</span></a> <a href="https://beige.party/tags/motivation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>motivation</span></a> <a href="https://beige.party/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a></p>
Adrian McEwen<p>Catching up on the <span class="h-card" translate="no"><a href="https://mastodon.social/@oshwassociation" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>oshwassociation</span></a></span> show and tell sessions to remind myself of the format before I'm on it on Thursday, and it was lovely to hear about <span class="h-card" translate="no"><a href="https://social.ivor.org/@ivor" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>ivor</span></a></span>'s IvorTRK </p><p><a href="https://www.youtube.com/watch?v=mPOOaPATvMc" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=mPOOaPATvM</span><span class="invisible">c</span></a></p><p><a href="https://mastodon.me.uk/tags/OSHW" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OSHW</span></a> <a href="https://mastodon.me.uk/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a></p>
Bastian Greshake Tzovaras<p>Today we drove up to Laguna Brava, at 4000+ meters above sea level. Fun to see what it does to the SpO2 readings. 😬</p><p><a href="https://scholar.social/tags/quantifiedself" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantifiedself</span></a></p>
Habr<p>Теоретические и практические рассуждения об оцифровке отдельных аспектов личности</p><p>В контексте ИИ в статье понимается использование комплекса механизмов на основе LLM + reasoning + agents + RAG + ML. В контексте статьи оцифровка личности или самодигитализация – это практика всеобъемлющей записи и оцифровки различных аспектов жизни человека. Идея статьи заключается в обзоре теоретических и практических аспектов создания «единого цифрового архива всего опыта индивида» – то есть фиксировании практически полного набора мыслей, переживаний и действий человека в цифровой форме. Для этого используются разнообразные средства: от носимых сенсоров и приложений до "цифровых дневников". Концептуально самодигитализация близка к движениям Quantified Self и лайфлоггинга , цель которых – « самопознание через сбор данных о себе с помощью технологий ». В итоге получается постоянный поток персональных данных – своеобразная «чёрная коробка» жизни человека, превращающая его повседневный опыт в данные, пригодные для хранения, анализа и воспроизведения.</p><p><a href="https://habr.com/ru/articles/886026/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">habr.com/ru/articles/886026/</span><span class="invisible"></span></a></p><p><a href="https://zhub.link/tags/SelfDigitization" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SelfDigitization</span></a> <a href="https://zhub.link/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a> <a href="https://zhub.link/tags/AIPersonalization" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AIPersonalization</span></a> <a href="https://zhub.link/tags/LifeTracking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LifeTracking</span></a> <a href="https://zhub.link/tags/DataDrivenGrowth" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataDrivenGrowth</span></a> <a href="https://zhub.link/tags/DigitalTwin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DigitalTwin</span></a> <a href="https://zhub.link/tags/PersonalAnalytics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PersonalAnalytics</span></a> <a href="https://zhub.link/tags/LifeOptimization" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LifeOptimization</span></a> <a href="https://zhub.link/tags/CognitiveTech" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CognitiveTech</span></a> <a href="https://zhub.link/tags/BiohackingData" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BiohackingData</span></a></p>
heise online English<p>EURO 2024: How player tracking works technically</p><p>The European Championship ball is called "soccer love", but it is a high-tech device with sensors. Its data and AI help referees to recognize offside, for example.</p><p><a href="https://www.heise.de/en/background/EURO-2024-How-player-tracking-works-technically-9768864.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">heise.de/en/background/EURO-20</span><span class="invisible">24-How-player-tracking-works-technically-9768864.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon</span></a></p><p><a href="https://social.heise.de/tags/FitnessTracker" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FitnessTracker</span></a> <a href="https://social.heise.de/tags/BigData" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BigData</span></a> <a href="https://social.heise.de/tags/K%C3%BCnstlicheIntelligenz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KünstlicheIntelligenz</span></a> <a href="https://social.heise.de/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a> <a href="https://social.heise.de/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>news</span></a></p>
c't Magazin<p>heise+ | Trends 2025: Neue Sensoren revolutionieren das Gesundheits- und Fitnesstracking</p><p>Tattoo-Sticker, Pflaster oder Zahnaufkleber, das sind einige der künftigen Wearables, die mittels schlauer Mikrosensoren mehr Vitalwerte erfassen als bisherige.</p><p><a href="https://www.heise.de/ratgeber/Trends-2025-Neue-Sensoren-revolutionieren-das-Gesundheits-und-Fitnesstracking-10258611.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">heise.de/ratgeber/Trends-2025-</span><span class="invisible">Neue-Sensoren-revolutionieren-das-Gesundheits-und-Fitnesstracking-10258611.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon</span></a></p><p><a href="https://social.heise.de/tags/FitnessTracker" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FitnessTracker</span></a> <a href="https://social.heise.de/tags/Gesundheit" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Gesundheit</span></a> <a href="https://social.heise.de/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a> <a href="https://social.heise.de/tags/Sensortechnik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sensortechnik</span></a> <a href="https://social.heise.de/tags/Wearables" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wearables</span></a> <a href="https://social.heise.de/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>news</span></a></p>
Anthony Baker<p>Not mine, but FFS having a “My Year In Tacos" dataviz at the end of 2025 is the most inspiring quantified self goal I've seen all year. </p><p><a href="https://mastodon.social/tags/quantifiedself" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantifiedself</span></a> <a href="https://mastodon.social/tags/newyearsresolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>newyearsresolution</span></a></p>
Bastian Greshake Tzovaras<p>My secret to above average fitness? Plateauing and then waiting to get old enough to get into a different age bracket. From below average to above average, by benefit of turning 40 😅</p><p>Alternatively, a cautionary tale about the limits of quantifying health and wellbeing. </p><p><a href="https://scholar.social/tags/personalscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>personalscience</span></a> <a href="https://scholar.social/tags/quantifiedself" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantifiedself</span></a></p>
Terry Laire<p>Le dernier nombre média est tombé : en 2024 j'ai regardé 109 000 vidéos sur Tiktok soit 401 heures réparties sur 2 000 sessions</p><p><a href="https://framapiaf.org/tags/AutoMesure" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AutoMesure</span></a> <a href="https://framapiaf.org/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a></p>
Terry Laire<p>En 2024, j'ai ajouté 19 000 mots à mon journal. J'ai oublié de l'écrire le jour même 4 fois, et je n'ai pas pu 4 autres fois. J'ai utilisé le verbe « être » 787 fois, 30 fois plus qu'« avoir ».<br>La personne la plus citée l'a été 93 fois.<br>Je n'ai utilisé qu'une fois les termes « protagoniste », « orfèvrerie » et « embrasser »</p><p><a href="https://framapiaf.org/tags/AutoMesure" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AutoMesure</span></a> <a href="https://framapiaf.org/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a></p>
Abhinav 🌏<p>I analysed the <a href="https://fantastic.earth/tags/Mastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Mastodon</span></a> posts I've made over the last 2+ years for the clients I've been using, and created some charts.</p><p>The first one is the pie chart of the post count by clients. <span class="h-card" translate="no"><a href="https://tapbots.social/@ivory" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>ivory</span></a></span> for Mac is the winner here, with 30% posts made using it. <span class="h-card" translate="no"><a href="https://hachyderm.io/@phanpy" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>phanpy</span></a></span> and the default Mastodon web client are seconds at 22%. <span class="h-card" translate="no"><a href="https://mastodon.social/@trunksapp" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>trunksapp</span></a></span> is third at 12%, and <span class="h-card" translate="no"><a href="https://m.webtoo.ls/@elk" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>elk</span></a></span> comes fourth at 10%.</p><p>The second chart shows the post count split by clients over time. It shows that I started with using the web client for the first few months, tried Ivory, trunks and Elk for the next few months, and then settled on using Ivory on my laptop and trunks on my phone. Few months later, I replaced trunks with Phanpy, and then continued using the Ivory-Phanpy combo consistently for over a year, with few posts being made from Web, Elk and trunks. The last bar shows me trying to replace Ivory with Phanpy as my sole major client.</p><p> <a href="https://fantastic.earth/tags/Fediverse" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fediverse</span></a> <a href="https://fantastic.earth/tags/QuantifiedSelf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantifiedSelf</span></a></p>
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