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Daniel Gultsch

@daniel@gultsch.social
mastodon 4.7.3
  • Open on gultsch.social

Project lead on https://Conversations.im & https://Ltt.rs · Council Chair & Editor, #XMPP Standards Foundation · 2.9W/kg · Flat white socialist · Defying Gravity · European Republic

2683 Followers
70 Following
50 Posts
Joined October 29, 2022
Website:
https://gultsch.de
Source Code:
https://codeberg.org/iNPUTmice/
Liberapay:
https://liberapay.com/iNPUTmice
Open post
Daniel Gultsch @daniel@gultsch.social
· 1w ago
Conversations is now permanently available for free on Google Play. Google doesn’t deserve me and my money anymore. https://gultsch.de/posts/breaking-up-with-google-play/ #XMPP #Jabber #Conversations_im #Android #FOSS #OpenSource #Google #GooglePlay
Daniel Gultsch

Breaking Up with Google Play: Why Conversations Is Now Free

Conversations, my federated instant messaging client for Android, started out as many traditional open-source projects do: as an attempt to scratch my own itch. Development started in January 2014 in my student dormitory, and within weeks I started dogfooding and using the client as the primary means of communicating with my friends. However, when it came to releasing the app to the public on March 24, 2014—exactly twelve and a half years ago today—it was immediately clear to me that I would at

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Daniel Gultsch @daniel@gultsch.social
· 4d ago

We've just finished setting up our XMPP stand at LinuxDays (@linuxdays@mastodonczech.cz) in Prague. If you are in the area make sure to visit us. We are here all day today and tomorrow (Sunday). We have stickers and buttons!

#XMPP #Jabber #LinuxDays #LinuxDaysCZ

gultsch.social

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Daniel Gultsch @daniel@gultsch.social
· 1d ago

Mastodon, Element and Conversations on the same slide. What is this, a crossover episode?

https://super-stack.eu

#Mastodon #Element #Matrix #XMPP #Conversations_im #Jabber #SuperStack

super-stack.eu
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Daniel Gultsch @daniel@gultsch.social
· 1d ago

I’m in Luxembourg for the Fair Tech Summit and Open Source Conference Luxembourg.

The Fair Tech Summit marks both the conclusion of the Mobifree project and the kickoff of the SuperStack project. Great to meet our partners and friends from F-Droid, /e/OS, UnifiedPush, Delta Chat, Phosh, Taler and many more!

#DigitalSovereignty #FairTech #Mobifree #SuperStack #SuperApps #SuperFoss #FDroid #GNUTaler #UnifiedPush

gultsch.social
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Daniel Gultsch @daniel@gultsch.social
· 1w ago

RE: @annasdtc@sciences.social

Not everyone can or should self-host, but the technology that enables it—federation, open standards, and vendor independence—also allows cooperatives, municipalities, and community groups to run their own infrastructure.

#DigitalSovereignty #OpenSource #SelfHosting #Jabber #XMPP

sciences.social

Anna SdTC: "All this self-host techie discourse sounds, to me…" - sciences.social

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Open post
Daniel Gultsch @daniel@gultsch.social
· 4d ago

If you are in Prague for Linux Days remember to come in early to catch my talk on Jabber/XMPP and 25 Years of Digital Independence. It's the first talk of the day at 10am in room 105.

https://pretalx.linuxdays.cz/linuxdays-2026/talk/H7ANQQ/

#LinuxDays #LinuxDaysCZ #XMPP #Jabber #DigitalIndependance

pretalx.linuxdays.cz
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Open post
Daniel Gultsch @daniel@gultsch.social
· 1w ago

I just released an update to Conversations that fixes a regression in the accessibility of the attachment selection.

Accessibility is important to me, and I apologize for any inconvenience caused by this. If you notice any accessibility problems, please let me know immediately.

#XMPP #Conversations_im #Jabber #a11y

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Daniel Gultsch @daniel@gultsch.social
· 1w ago

What feature in Conversations are you looking forward to the most?

#XMPP #Jabber #Conversations_im #Android

gultsch.social

Mastodon

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Open post
Daniel Gultsch @daniel@gultsch.social
· 1w ago

Google is raising the minimum SDK version for several core AndroidX libraries to 24 (Android 7). This means that even well-intentioned app developers will have a much harder time supporting Android 6.

#Android #OpenSource #Fdroid #Google

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Daniel Gultsch @daniel@gultsch.social
· 1w ago
Im Interesse der Dezentralität gibt es meinen Vortrag „Jabber/XMPP: 25 Jahre Digitale Souveränität“ von den Datenspuren letzte Woche übrigens auch auf meinem PeerTube. https://gultsch.video/w/hNgNdVEUxMDex9xqrcofD5 #Datenspuren #XMPP #Jabber #PeerTube #Fediverse
Jabber/XMPP: 25 Jahre Digitale Souveränität
Daniel’s PeerTube

Jabber/XMPP: 25 Jahre Digitale Souveränität

Beim Thema digitale Unabhängigkeit werden im Bereich Kommunikation und Instant Messaging verschiedene Lösungen diskutiert. Zum einen wäre da der zentrale Dienst einer US-amerikanischen Non-Profit-O...

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Open post
Daniel Gultsch @daniel@gultsch.social
· 2w ago
Die Aufzeichnung meines Vortrags „Jabber/XMPP: 25 Jahre Digitale Souveränität“ von den #Datenspuren ist schon online verfügbar. https://media.ccc.de/v/ds26-678-jabber-xmpp-25-jahre-digitale-souveranitat #XMPP #Jabber
media.ccc.de

Jabber/XMPP: 25 Jahre Digitale Souveränität - media.ccc.de

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Daniel Gultsch @daniel@gultsch.social
· 3w ago
Currently doing research for another blog post, and I noticed that WhatsApp and Signal only gained the ability to edit messages in 2023, whereas Conversations has had it since 2016. To this day, both WhatsApp and Signal lack crucial features that Conversations has, like the ability to show what time zone a contact is in. #Jabber #XMPP
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Daniel Gultsch @daniel@gultsch.social
· 3w ago
There used to be an urban legend that WhatsApp was listening to everything you said. In reality, it was mostly confirmation bias: if you talked to a friend about a dream vacation and later saw ads for it, chances were high you had already googled the destination. Anyway, Apple is now building this exact creepy stalker behavior into the Apple Watch and calling it a feature.
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Daniel Gultsch @daniel@gultsch.social
· 3w ago
I’ll be speaking at the Open Source Conference Luxembourg on October 7th! Join me and @larma@mastodon.social as we talk about Jabber/XMPP and 25 years of digital independence. https://pretalx.com/open-source-conference-luxembourg-2026/talk/Y3E9VJ/ #OSCL26 #Jabber #XMPP #OpenSource #DigitalSovereignty
pretalx.com

Jabber/XMPP: 25 Years of Digital Independence :: Open Source Conference Luxembourg :: pretalx

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Daniel Gultsch @daniel@gultsch.social
· 1mo ago
I have been invited to the “Datenspuren” conference in Dresden to speak about Jabber/XMPP and 25 years of digital independence. The talk is going to be in German, but I've submitted an English version to other conferences. https://talks.datenspuren.de/ds26/talk/GF8KMU/
talks.datenspuren.de

Jabber/XMPP: 25 Jahre Digitale Souveränität :: Datenspuren 2026 :: pretalx

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Daniel Gultsch @daniel@gultsch.social
· 1mo ago
RE: https://gultsch.social/@daniel/117195237916916162 If you are excited about my upcoming talk on #XMPP, I encourage you to read my essay, “Jabber/XMPP: 25 Years of Digital Independence” (if you haven’t already). The talk will be more technical in nature, but the essay hits on similar topics. Think of it as an extended version of the first five minutes of the talk. https://gultsch.de/posts/25-years-of-digital-independence/
Open quoted post
Quoting
Daniel Gultsch
@daniel@gultsch.social
I have been invited to the “Datenspuren” conference in Dresden to speak about Jabber/XMPP and 25 years of digital independence. The talk is going to be in German, but I've submitted an English version to other conferences. https://talks.datenspuren.de/ds26/talk/GF8KMU/
Open quoted post
Daniel Gultsch

Jabber/XMPP: 25 Years of Digital Independence

Infrastructure “We should own our infrastructure.” A lot of people would instinctively nod in agreement with that statement. Yet who “we” refers to shifts depending on the type of infrastructure. Highways, railways, bridges, and ports require nation-scale efforts. The water supply is usually put into the hands of municipalities. And the desire to own infrastructure goes down to a much smaller level: Owning your home is a dream for many—though such ownership doesn’t necessarily have to be organiz

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Open post
Daniel Gultsch @daniel@gultsch.social
· 2mo ago
Google is now buying access to source code repositories to train their LLMs. This puts the value of the code they previously stole from the open-source community into a whole new perspective.
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Open post
Daniel Gultsch @daniel@gultsch.social
· 2w ago
I've added my upcoming conference talks to the "Talks" page on my website. Slides are already available for my #Datenspuren talk tomorrow: https://gultsch.de/talks/
Daniel Gultsch

Talks & Presentations

Talks & Presentations Upcoming 🇬🇧 Jabber/XMPP: 25 Years of Digital Independence, LinuxDays 2026 event page 🇬🇧 Jabber/XMPP: 25 Years of Digital Independence, Open Source Conference Luxembourg 2026 event page 2026 🇩🇪 Jabber/XMPP: 25 Jahre Digitale Souveränität, Datenspuren 2026 event page, recording, slides 🇩🇪 Push-Benachrichtigungen. Dezentral und OpenSource, FrOSCon 2026 event page, recording, slides 🇨🇦 UnifiedPush, FOSSY 2026 event page, slides 🇬🇧 XMPP - XEP-0490: Message Displayed Synchronization, I

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Open post
Daniel Gultsch @daniel@gultsch.social
· 2mo ago
#Quicksy registrations are permanently closed. The project was viable for a long time only because it required minimal effort. However, fighting industrial-scale SMS pumping fraud has become unsustainable, both financially and in terms of workload. The XMPP server will remain online for the foreseeable future, but users are advised to switch their client to #Conversations_im.
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Open post
Daniel Gultsch @daniel@gultsch.social
· 6mo ago

Due to the recent popularity of #Conversations_im, I've already earned more than enough money this month and have decided to make the app free this week. Use this opportunity to onboard friends who might otherwise have a hard time paying for the app

https://play.google.com/store/apps/details?id=eu.siacs.conversations

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Daniel Gultsch @daniel@gultsch.social
· 6mo ago

I’m delighted to announce that the OpenPGP implementation in #Conversations_im will see some love over the next ~6 months. Simultaneously, we will be laying the groundwork for OMEMO2 by implementing Stanza Content Encryption.

Thanks to funding from @nlnet@social.nlnet.nl and the European Commission.

https://nlnet.nl/project/Conversations-OpenPGP-refresh/

#XMPP #Jabber #OMEMO #OpenPGP

nlnet.nl

NLnet; OpenPGP refresh for Conversations

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Open post
Daniel Gultsch @daniel@gultsch.social
· 6mo ago

A good litmus test for the morality of software is asking the developers if they would let their kids use it.

Meta execs: Fuck no!

XMPP devs: Yes, that's why I started this project.

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Daniel Gultsch @daniel@gultsch.social
· 4mo ago

#Conversations_im is currently in the Top 50 most download apps on @fdroidorg@floss.social.
In the messaging category it ranks fairly close to #Element X and has almost 3x the downloads of #DeltaChat. Just to give you a perspective on loudness on social media vs reality.

https://grote.gitlab.io/fdroid-metrics-distilled/#messaging

#XMPP #Jabber #FDroid

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Open post
Daniel Gultsch @daniel@gultsch.social
· 4mo ago

#Conversations_im 2.20.0 has been tagged with some significant UI work.

• The main screen now features prominent access to search and can suggest contacts to you for quick navigation
• The media attachment flow has been reworked and is now closer to the input field.
• The tablet layout has been improved and the title bar is now split into two.

#XMPP #Jabber #Android

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Daniel Gultsch @daniel@gultsch.social
· 2mo ago
I’m committed to keeping the quicksy.im XMPP server running for at least 24 months. XMPP servers are extremely efficient. I’m serving the ~1500 concurrent users from a toaster, so the cost of running the server itself was never an issue. Users are however advised to eventually migrate to the app Conversations by backing up the account in Quicksy and importing it into Conversations (write down the Quicksy password beforehand).
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Daniel Gultsch @daniel@gultsch.social
· 3mo ago

Ich war im „Captain, it's Wednesday“-Podcast von GNU/Linux.ch zu Gast und durfte das #UnifiedPush-Projekt vorstellen.
Hat mich mega gefreut. Vielen Dank für die Einladung.
Wer schon immer mal etwas über Push-Benachrichtigungen ohne Google lernen wollte, dem meine Vorträge aber zu viel sind, kann es hier im praktischen Podcast auch unterwegs oder beim Putzen tun.

https://gnulinux.ch/ciw186-podcast

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Daniel Gultsch @daniel@gultsch.social
· 6mo ago

We are at Chemnitzer Linux Tage with a stand for #XMPP and #UnifiedPush.
Come find us and talk to us or grab some stickers or Haribo.

#CLT2026 #Jabber

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Daniel Gultsch @daniel@gultsch.social
· 5mo ago

It's Digital Independence Day again and #Conversations_im, the best Jabber/XMPP client for Android, is currently available for free on Google Play.

Enjoy true independence with independent messaging. No central server. No venture capital. No 'non profits' with centralized decision-making.

https://play.google.com/store/apps/details?id=eu.siacs.conversations

#XMPP #Jabber #IndieMessaging #DIDit

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Daniel Gultsch @daniel@gultsch.social
· 2mo ago

We are attending #IETF126 in Vienna. The #XMPP community is represented at the Hackathon and we are hosting a side meeting on Thursday at 15:00 (Park Suite 4) to introduce the idea of bringing XMPP 2.0 back to the IETF.

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Daniel Gultsch @daniel@gultsch.social
· 4mo ago

At this point, the Google Play app review process has become a security liability. I have had an app update for #Conversations_im in the review queue since April 28th. Previously, app updates have been rejected for stupid, hallucinated reasons; this time, we are just being ignored entirely. The release is not shipping any security fixes, but imagine if it did.

#XMPP

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Daniel Gultsch @daniel@gultsch.social
· 4mo ago

What #Conversations_im did was prove that the technology works. When #Matrix reinvented the wheel as an eventually consistent graph database with a JSON API, they didn't do it because #XMPP didn't work. They did it because their investors were seeking control over the entire stack.

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Daniel Gultsch @daniel@gultsch.social
· 3mo ago
I’m going to be at #FOSSY in Vancouver in August to talk about #UnifiedPush! https://2026.fossy.ca/schedule/presentation/372/ There is also a full 2-day track dedicated to #XMPP.
FOSSY 2026 | Presentation: UnifiedPush - Push notifications. Decentralized and Open Source
2026.fossy.ca

FOSSY 2026 | Presentation: UnifiedPush - Push notifications. Decentralized and Open Source

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Daniel Gultsch @daniel@gultsch.social
· 2mo ago

Auf der #FrOSCon in St. Augustin darf ich am 15. August noch einmal #UnifiedPush vorstellen. Das ist vermutlich das letzte Mal, dass ich diesen Vortrag in dieser Form halte.

https://programm.froscon.org/froscon2026/talk/dd149428-7db9-44b8-8fa2-d023a4940bb9/

Info-Stände zu #UnifiedPush und #XMPP gibt es auf der FrOSCon ebenfalls.

programm.froscon.org

FrOSCon 2026

Schedule, talks and talk submissions for FrOSCon 2026

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Daniel Gultsch @daniel@gultsch.social
· 4mo ago
RE: https://gultsch.social/@daniel/116578297080678405 It took Google 9 days to review this release. These insane review times seem to be the new normal. Anyway it’s finally live on Google Play. Enjoy the new search bar and the improved attachment flow. #XMPP #Jabber #Conversations_im
gultsch.social

Daniel Gultsch: "#Conversations_im 2.20.0 has been tagged with som…" - Mastodon

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Daniel Gultsch @daniel@gultsch.social
· 5mo ago

A quick reminder that nonprofit simply means an organization has found a creative way to avoid taxes. By itself, it doesn’t tell you anything about the ethics of said organization.

#Signal #DigitalIndependenceDay

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Daniel Gultsch @daniel@gultsch.social
· 2mo ago

Ich freue mich auch auf den Vortrag „App-Kompatibilität für alle“¹ von Marvin (@larma@mastodon.social) und „Der Reichweitenmythos debunked“² von Stephanie (@ueckueck@dresden.network) auf der #FrOSCon.

¹: https://programm.froscon.org/froscon2026/talk/9cf12e1d-2d18-4ef2-95f5-dffdd26f86e3/
²: https://programm.froscon.org/froscon2026/talk/93f8490a-68b1-4200-97c1-b78b456426cb/

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Daniel Gultsch @daniel@gultsch.social
· 5mo ago

RE: @gajim@fosstodon.org

The #XMPP community operates on the principle that good ideas will prevail. Showing a warning when it’s nighttime for a contact has had three independent implementations in a little over a month.

We don’t need CEOs. We don’t need kings. #ThatsXMPP

fosstodon.org

Gajim: "Gajim 2.4.6 has been released! 🎉 Gajim can now …" - Fosstodon

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Daniel Gultsch @daniel@gultsch.social
· 2mo ago
People don’t understand that this SMS pumping fraud is organized crime on a mafia level. First, they attack your service to deliberately run up SMS fees (splitting the profits among themselves), and then they turn around and try to extort protection money by selling you a subscription to a service that "fixes" the issue. The entire fucking industry is in cahoots.
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Daniel Gultsch @daniel@gultsch.social
· 4mo ago

Element (@element@mastodon.matrix.org) makes a very big deal out of every single government agency that gives #Matrix a shot. However when you look at what actual people choose to deploy it's #XMPP.

https://qa.debian.org/popcon.php (via @debacle@framapiaf.org)

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Daniel Gultsch @daniel@gultsch.social
· 6mo ago

Mein Vortrag über #UnifiedPush von den Chemnitzer Linux Tage ist übrigens auch schon online verfügbar. Diesmal mit Demo und schöner, langer Q/A Runde.

https://media.ccc.de/v/clt26-202-unifiedpush

media.ccc.de

UnifiedPush - media.ccc.de

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Daniel Gultsch @daniel@gultsch.social
· 6mo ago

Our combined booth for #UnifiedPush and #XMPP at #CLT2026 went great. There was huge interest in UnifiedPush, and we successfully funneled some of that interest into XMPP as well.
I think it's a great combination since those projects are ideologically well-aligned, and we will likely do it again.

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Daniel Gultsch @daniel@gultsch.social
· 6mo ago

Gerade mal geguckt: Offenbar war ich 2008 das erste Mal auf den Chemnitzer Linux Tage (inklusive Übernachtung in der Turnhalle) und 2009 habe ich meinen ersten Vortrag gehalten. Über Yacy und andere verteilte Suchmaschinen.
https://test.chemnitzer.linux-tage.de/2009/vortraege/detail.html.96.html

#CLT

test.chemnitzer.linux-tage.de
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Daniel Gultsch @daniel@gultsch.social
· 4mo ago

@jae@mastodon.bsd.cafe We put the instant into instant messaging.

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Daniel Gultsch @daniel@gultsch.social
· 4mo ago
Replying to
@aerion@nerdculture.de There is no such thing as port. Basically the entire codebase is very Android specific so it would be a full rewrite. On the other hand Dino already exists and has mobile Linux support. So if anything I would probably collaborate more closely with the Dino developers.
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Daniel Gultsch @daniel@gultsch.social
· 5mo ago
Replying to
@thomas unfortunately Google limits these offers to 8 days in a row with 30 days in between. Otherwise I would probably do them more frequently (but shorter). For example on every first weekend of the month or so.
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Daniel Gultsch @daniel@gultsch.social
· 6mo ago

Merles Vortrag "Warum selbst Signal bei Google und Apple anklopft" ist übrigens eine schöne Ergänzung zu meinem UnifiedPush Vortrag.

https://media.ccc.de/v/clt26-143-warum-selbst-signal-bei-google-und-apple-anklopft

media.ccc.de
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Daniel Gultsch @daniel@gultsch.social
· 4mo ago
Replying to
@benkuly@dresden.network Wenn für dich ein Player im System Grund genug ist XMPP nicht zu benutzen dann verstehst du ja langsam meine Kritik an Element. (Wobei die Dominanz meiner Rolle in der XMPP Welt natürlich ein winziger Bruchteil der Rolle ist die Element in der Matrix Welt spielt.)
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Daniel Gultsch @daniel@gultsch.social
· 4mo ago
Replying to
@benkuly@dresden.network Die Kapitalismuskritik gehört quasi zum Gründungmythos von Conversations.
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Daniel Gultsch @daniel@gultsch.social
· 4mo ago
Replying to
@benkuly@dresden.network Man könnte die Sache ja auch auf den Kopf stellen und sich fragen warum Matrix denn sonst erschaffen wurde. "XMPP ist einfach nicht gut genug" wäre ja auch eine relativ steile These die man erstmal belegen müsste.
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Daniel Gultsch @daniel@gultsch.social
· 4mo ago
Replying to
@benkuly@dresden.network und anzumerken das Risikokapitalgeber und ich nicht die gleichen Interessen haben ist doch wohl nachvollziehbare Kritik auch wenn man diese nicht teilt bzw einem das egal ist.
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