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Ruth Malan

@ruthmalan.bsky.social
3.1K followers 1.1K following 689 posts

Systems. Design. she/her

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Reposted by Ruth Malan
Patrick Berry @patandkat.com · 26/09/2026
Currently reading: Signals & Levers by Elisabeth Hendrickson; Joel Tosi 📚
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Ruth Malan @ruthmalan.bsky.social · 28/09/2026
Today 🎉
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Ruth Malan @ruthmalan.bsky.social · 21/09/2026
Received the book plus stickers from the authors today 🎉 So looking forward to 👇
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Ruth Malan @ruthmalan.bsky.social · 20/09/2026
In two weeks. Flash sale.
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Ruth Malan @ruthmalan.bsky.social · 20/09/2026
The book will be out on Tuesday (22nd)! And we’ll be discussing it, with a focus on ch 10, on Monday 28th. (There’s a link to the reading on sign up.) Join us?
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Ruth Malan @ruthmalan.bsky.social · 13/09/2026
Soon! Join us?? In person, or for talks there’s a remote ticket option.
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Ruth Malan @ruthmalan.bsky.social · 08/09/2026
System Design and Software Architecture Workshop in October: ti.to/bredemeyer/s... This workshop moves from strategic understanding of context and framing a design opportunity, through shaping system capabilities and properties, to designing components, interactions, and APIs. Sampling of pages:
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IT Revolution @itrevolution.com · 03/09/2026
Sign up for a workshop with Elisabeth Hendrickson and Joel Tosi, the authors of the upcoming book Signals & Levers, at Agile Testing Days! Nov. 16 - 19, 2026 Potsdam, Germany Info: itrev.io/4bL0rcf Register: itrev.io/3Uru9wW
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Ruth Malan @ruthmalan.bsky.social · 07/09/2026
“I'm on chapter 5 and believe me, you want to read this book!” — Barry S.
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Buttercup Festival @buttercupfestival.bsky.social · 07/09/2026
Don't Buttercup Festival originals look nice on a wall? www.buttercupfestival.com/originals.htm
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Ruth Malan @ruthmalan.bsky.social · 07/09/2026
Got my @buttercupfestival.bsky.social ‘s up at last!! (They were my Christmas request. Don’t ask which Christmas, haha.) www.buttercupfestival.com/2-90.htm buttercupfestival.com/2-91.htm www.buttercupfestival.com/2-102.htm
3 Buttercup Festival comics in black frames up on wall near bookcase
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Hazel Weakly @hazelweakly.me · 24/08/2026
It makes me happy every time I see this doing the rounds again 🥰 Shockingly, it’s still true
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Ruth Malan @ruthmalan.bsky.social · 25/08/2026
The double island!
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Elisabet Roselló Román @lisrosello.bsky.social · 21/08/2026
Sé que se habla bastante de que si no sé qué complejo, que si no sé cuánto no-lineal (suele referirse a “exponencial”) Hace semanas publiqué artículos ahondando en fundamentos de ciencias de complejidad y paradigmas Qué es la complejidad (2º artículo) lisrosello.substack.com/p/ahora-si-q...
lisrosello.substack.com
Ahora sí: qué es la complejidad 101. CyM II
¿Qué es la complejidad? ¿Es una simple palabra de moda? Si es como paradigma científico ¿cómo se define? ¿qué hace que algo sea complejo y qué no? Vamos a desenredar el lío.
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Ruth Malan @ruthmalan.bsky.social · 21/08/2026
#PapersInSystems We have a very exciting discussion lined up for Monday, September 28 at 1-2 pm Eastern Time (US/Canada); 7pm CET Elisabeth Hendricks and Joel Tosi will lead discussion on ch 10 of their book *Signals and Levers* that is due out on Sept 22 Info/sign up: ti.to/bredemeyer/s...
cover of Signals and Levers  in

lovely design with handdrawn causal loop diagram, sensors picking up signal, and levers to adjust
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Luke @lukepatrick.dev · 20/08/2026
Are you going to #ExploreDDD? Then come to DevOpsDays Denver #devopsdays #devopsdaysrox devopsdays.org/events/2026-... Are you going to #devopsdaysrox? go to #ExploreDDD afterwards Hopefully everyone could co-mingle at the same happy hour event that week.
devopsdays.org
Devopsdays Denver 2026
devopsdays Denver 2026
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Ruth Malan @ruthmalan.bsky.social · 20/08/2026
And suddenly! #ExploreDDD 2026 is next month! In Denver, CO on September 21-25. @paulrayner.bsky.social and @indu-alagarsamy.bsky.social have designed a wonderful program, with workshops, talks, hands-on sessions, open space, and a day+ of modeling together. exploreddd.com I’m excited!
exploreddd.com
Explore DDD 2026 | Domain-Driven Design Conference in Denver
Explore DDD 2026 is a Domain-Driven Design conference in Denver, September 21-25. Five days of talks, hands-on workshops, and open space for software leaders.
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Yvonne Lam @yvonnezlam.bsky.social · 04/08/2026
I looked at a minutely detailed table of how long to steam potatoes in the Instant Pot and said, "I'm not reading all that; 8 minutes seems good." (for anyone at Papers in Systems who listened to me talk about my experience of how people choose initial configuration options)
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Lucy Bellwood @lubellwoo.bsky.social · 03/08/2026
The ancient texts still exist among us.
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Ruth Malan @ruthmalan.bsky.social · 27/07/2026
Join us in discussing Meadows’ “Leverage Points”? ‘“This is a HUGE NEW SYSTEM people are inventing!” I said to myself. “They haven’t the SLIGHTEST IDEA how this complex structure will behave,” myself said back to me. “It’s almost certainly an example of cranking the system in the wrong direction”’
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Alexander Ptakhin @aptakhin.name · 08/01/2026
Here’s the paradox: – Systems regularly face challenges they weren’t designed to handle – Yet we keep using reductionism—treating entities as just sums of parts while ignoring how those parts interact
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Buttercup Festival @buttercupfestival.bsky.social · 30/07/2026
Last full day of the tshirt presale! topa.to/buttercupfestival
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Ruth Malan @ruthmalan.bsky.social · 27/07/2026
Join us in discussing Meadows’ “Leverage Points”? ‘“This is a HUGE NEW SYSTEM people are inventing!” I said to myself. “They haven’t the SLIGHTEST IDEA how this complex structure will behave,” myself said back to me. “It’s almost certainly an example of cranking the system in the wrong direction”’
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Ruth Malan @ruthmalan.bsky.social · 24/07/2026
Next in our #PapersInSystems discussions: Donella Meadows' "Leverage Points: Places to Intervene in a System." When: Mon, Aug 3, 2026, 1PM - 2PM Eastern Time (US/Canada) (19:00 CEST) The reading is at: donellameadows.org/archives/lev... More info/sign up (free, of course): ti.to/bredemeyer/p...
donellameadows.org
Leverage Points: Places to Intervene in a System
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Yvonne Lam @yvonnezlam.bsky.social · 16/07/2026
paging @ruthmalan.bsky.social
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Ruth Malan @ruthmalan.bsky.social · 08/07/2026
Today 🎉
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Ruth Malan @ruthmalan.bsky.social · 02/07/2026
interesting discussion ahead; join us next week?
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Ruth Malan @ruthmalan.bsky.social · 15/06/2026
System Design and Software Architecture Workshop: Oct 5-7 and Oct 12-14, 2026 at 11 am - 3:30 pm Eastern Time (US/Canada). Remote (on Zoom) More info/enroll: ti.to/bredemeyer/s... Preview material: Systems and System Design Overview (pdf): www.ruthmalan.com/systems/2025...
cover of the free system design overview
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Ruth Malan @ruthmalan.bsky.social · 15/06/2026
Next #PapersInSystems July 8 (shifting from "first Monday" to Wednesday for this one), 1-2pm Eastern Time (US/Canada). Remote. Arty Starr and "Theory of Troubleshooting": dl.acm.org/doi/10.1145/... Info/sign up: ti.to/bredemeyer/t...
dl.acm.org
Theory of Troubleshooting: The Developer’s Cognitive Experience of Overcoming Confusion | ACM Transactions on Software Engineering and Methodology
This paper introduces a Theory of Troubleshooting that is rooted in cognitive science. This theory helps software developers explain the challenges they face and the project risks that emerge as troubleshooting becomes difficult. We define troubleshooting ...
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Lisi Hocke @lisihocke.bsky.social · 07/06/2026
#elbsides2026 is over. I took #sketchnotes on the conference day. While this activity helps me focus in the moment and memorize a talk better, the resulting notes are also great to share. So here they are from @elbsides.bsky.social: mastodon.social/@lisihocke/1... 1/2
mastodon.social
Lisi Hocke (@lisihocke@mastodon.social)
#elbsides2026 is over. I took #sketchnotes on the conference day. While this activity helps me focus in the moment and memorize a talk better, the resulting notes are also great to share. So here they...
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Trunk-Based Thierry (they/them) @tdpauw.bsky.social · 08/06/2026
Published: Beyond the Shades of Conway's Law - Foundations: The Origin & The Mirroring Principle How the communities of Product Design and Organisation Design independently made similar observations to Conway's Law, introducing The Mirroring Principle. thinkinglabs.io/articles/202...
thinkinglabs.io
Beyond the Shades of Conway's Law - Foundations: The Origin & The Mirroring Principle
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Erika Hall @erikahall.bsky.social · 03/06/2026
Karl has a microbiome!
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Buttercup Festival @buttercupfestival.bsky.social · 01/06/2026
Visitation: Buttercup Festival 3-383
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Ruth Malan @ruthmalan.bsky.social · 01/06/2026
Today 👇
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Ruth Malan @ruthmalan.bsky.social · 31/05/2026
Excited to discuss Knowledge Power (KP) Maps and the CDE Model tomorrow (June 1)! Thinking I’ll bring Rich Pictures (in memory of Peter Checkland) to the “other conversation scaffolds” part of the discussion. #PapersInSystems
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Buttercup Festival @buttercupfestival.bsky.social · 13/05/2026
Wind of change: Buttercup Festival 3-380
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Ruth Malan @ruthmalan.bsky.social · 29/05/2026
#PapersInSystems discussions are by the community, for the community. Where community is formed around systems-informed design. Always grateful to the folk who lead the discussions, and who participate in them, deepening the learning for all of us with insights and connections to other work.
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Ruth Malan @ruthmalan.bsky.social · 15/05/2026
For the Monday, June 1 #PapersInSystems discussion: - Container Differences Exchanges Model, which Don Gray has used with organizations and Don will lead the discussion - Decision KP Maps, created by @roundcrisis.com and discussion will be led by Andrea Info/Enroll: ti.to/bredemeyer/s...
container differences exchange model graphic
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Ruth Malan @ruthmalan.bsky.social · 06/05/2026
EventStorming patterns and anti patterns from @ziobrando.bsky.social www.eventstorming.com/patterns/
eventstorming.com
Eventstorming Patterns - EventStorming
A growing selection of patterns and antipatterns to handle your workshop design and facilitation. We have been there too!
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Pacing @pacingmusic.bsky.social · 16/04/2026
Welp we had a crazy bananas year last year and basically won the lottery of direct support tours twice But guess what my ass has been humbled and we are ready to DIY it tf up this spring as god intended!! I just finally crossed into the EXCITED stage from the "this is gonna be a disaster" stage
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Nick Sousanis @nsousanis.bsky.social · 01/05/2026
Was this students box in which she adorned the exterior with eyes from the book and quotes on seeing and then had cut two eyes into the box which when you looked through revealed inner worlds, a dark one representing start of the book and bright sky for the ending. So cool, I was so touched!
A box painted black with images of eyes from unflattening pasted all over it and two eyes cut through it A look through one of those eyes to see dark images from unflattening inside Another look through an eye in the box, bright blue sky and greenery Some posters about Unflattening
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apenwarr @apenwarr.ca · 30/04/2026
Indeed, come join Tailscale’s security team where we are building the future of everything (including everything that AI runs on)
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Nick Sousanis @nsousanis.bsky.social · 26/04/2026
I got a kind note from an English teacher who’d been looking for ways to analyze images in comics & found my resource page on my visual analysis/annotation project. It was lovely to receive because a) it wasn’t ai spam & b) a reminder of why I share all this stuff spinweaveandcut.com/visual-analy...
A visual analysis and annotation of a comics page - with drawings and diagramming all over it, here it’s becoming unbecoming by UnaA visual analysis and annotation of a comics page - with drawings and diagramming all over it, here it’s my entropy pageA visual analysis and annotation of a comics page - with drawings and diagramming all over it, here it’s from the gigantic beard that was evil by stephen CollinsA visual analysis and annotation of a comics page - with drawings and diagramming all over it, here it’s asterios polyp by david Mazzucchelli
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Ruth Malan @ruthmalan.bsky.social · 16/04/2026
Europe, this is wonderful! An orientation to collaborative co-creation of the experience runs through it — yes, it’s Open Space, with years of learning how to do that beautifully!
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Pacing @pacingmusic.bsky.social · 07/04/2026
Hello blue sky dot com! We are going on tour again this spring! Playing with @thelastarizona.bsky.social @walteretc.bsky.social and many more friends We can’t wait to see your faces again! Please tell all your friends, tell your mom, tell your pet lizard linktr.ee/pacingmusic
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Joshua J. Friedman @joshuajfriedman.com · 11/04/2026
Hello, I made you a feed of your cats watching the Artemis II splashdown bsky.app/profile/did:...
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Shannon Mattern @shannonmattern.bsky.social · 10/04/2026
I just learned (belatedly) about Darren Raven's Lecture-Zines: "daily Instagram series... where I share 12 x pages/images/collages/texts, inspired by 20 years of learning and teaching in higher education" — about methods, tools, experiments, etc. I love these....
docs.google.com
Darren Raven Lecture_Zine_Posts
Lecture-Zine © 2025 by Darren Raven is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International. To view a copy of this license, visit https://creativecommons.org/license...
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Rachit Dubey @rachitdubey.bsky.social · 07/04/2026
This is especially concerning because persistence is foundational to skill acquisition and one of the *strongest* predictors of long-term learning. AI conditions you to expect immediate answers, removing the productive struggle that builds real competence.
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Benjamin P Taylor @antlerboy.com · 06/04/2026
Brilliant to join @trond.hjorteland.com and @ruthmalan.bsky.social today on this call! A very patient and helpful exploration of this canonical paper, and an intelligent and appreciate audience - recommded! :-)
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Ruth Malan @ruthmalan.bsky.social · 31/03/2026
Really looking forward to this discussion on Monday April 6th! @trond.hjorteland.com brings his background as an active practitioner and curious inquirer into sociotechnical and open systems, and it’s already a lovely group who have indicated interest! We’d love to have you join us :)
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