Christian Katzenbach
@ckatzenbach.bsky.social
Professor for Media and Communication @ZeMKI.bsky.social
@unibremen.bsky.social // Director @pgmt.bsky.social and MA Digital Media and Society // platform governance, (generative) AI, hype, regulation, tech discourses, norms
@unibremen.bsky.social // Director @pgmt.bsky.social and MA Digital Media and Society // platform governance, (generative) AI, hype, regulation, tech discourses, norms
Pinned
We are hosting the 2025 @aoir.bsky.social Flashpoint Symposium in Bremen!
🎯 CfP "From Platform Governance to Generative AI: Concepts, Methods, and Data for Studying Tech Governance"
📆 3-4 June 2025, Bremen, DE
🗒️ Deadline for Abstracts: 15 February 2025
platform-governance.org/aoir-flashpo...
🎯 CfP "From Platform Governance to Generative AI: Concepts, Methods, and Data for Studying Tech Governance"
📆 3-4 June 2025, Bremen, DE
🗒️ Deadline for Abstracts: 15 February 2025
platform-governance.org/aoir-flashpo...
Reposted by Christian Katzenbach
💡 New publication alert!
“On the Controversiality of AI: The Controversy Is Not the Situation” by @noortjem.bsky.social , @ckatzenbach.bsky.social , @anderskristianm.bsky.social, and @annajobin.bsky.social is out now.
📖 Read it open access here: journals.sagepub.com/doi/10.1177/...
“On the Controversiality of AI: The Controversy Is Not the Situation” by @noortjem.bsky.social , @ckatzenbach.bsky.social , @anderskristianm.bsky.social, and @annajobin.bsky.social is out now.
📖 Read it open access here: journals.sagepub.com/doi/10.1177/...
On the controversiality of AI: The controversy is not the situation - Noortje Marres, Christian Katzenbach, Anders Kristian Munk, Anna Jobin, 2025
Do public controversies about AI matter? Can they really make a difference to how AI is taken up or imposed on society? This introduction to the Special Issue o...
journals.sagepub.com
October 17, 2025 at 3:04 PM
💡 New publication alert!
“On the Controversiality of AI: The Controversy Is Not the Situation” by @noortjem.bsky.social , @ckatzenbach.bsky.social , @anderskristianm.bsky.social, and @annajobin.bsky.social is out now.
📖 Read it open access here: journals.sagepub.com/doi/10.1177/...
“On the Controversiality of AI: The Controversy Is Not the Situation” by @noortjem.bsky.social , @ckatzenbach.bsky.social , @anderskristianm.bsky.social, and @annajobin.bsky.social is out now.
📖 Read it open access here: journals.sagepub.com/doi/10.1177/...
Reposted by Christian Katzenbach
@rscarlets.bsky.social will present the paper on policy specifications in AI governance on behalf of a team with @reynoldscj.bsky.social Vasilisa Kuznetsova @ckatzenbach.bsky.social + me in an excellent panel on platform governance from @ica-clp.bsky.social
June 9, 2025 at 4:47 AM
@rscarlets.bsky.social will present the paper on policy specifications in AI governance on behalf of a team with @reynoldscj.bsky.social Vasilisa Kuznetsova @ckatzenbach.bsky.social + me in an excellent panel on platform governance from @ica-clp.bsky.social
Reposted by Christian Katzenbach
Our incredible #AoIR2025Symposium is almost over…
We are grateful for the opportunity to host so many brilliant scholars who share our passion for researching platform governance, content moderation, and generative AI.
Already looking forward to what comes next. Let’s keep the momentum going!
We are grateful for the opportunity to host so many brilliant scholars who share our passion for researching platform governance, content moderation, and generative AI.
Already looking forward to what comes next. Let’s keep the momentum going!
June 4, 2025 at 4:41 PM
Our incredible #AoIR2025Symposium is almost over…
We are grateful for the opportunity to host so many brilliant scholars who share our passion for researching platform governance, content moderation, and generative AI.
Already looking forward to what comes next. Let’s keep the momentum going!
We are grateful for the opportunity to host so many brilliant scholars who share our passion for researching platform governance, content moderation, and generative AI.
Already looking forward to what comes next. Let’s keep the momentum going!
Reposted by Christian Katzenbach
Full house at the #AoIR2025Symposium 🥹 so wonderful to see it all coming together and that so many tech governance scholars made it to Bremen!
June 3, 2025 at 3:06 PM
Full house at the #AoIR2025Symposium 🥹 so wonderful to see it all coming together and that so many tech governance scholars made it to Bremen!
First panel at #AoIR2025Symposium, w/ Rasmus Kleis Nielsen, presenting new work w/ @deeliu97.bsky.social, Emilie de Keulenaar on the politics of "big tech". Prelim results for EU policy/political discourse: How is the term BIG TECH used, and by whom? (Focus on EU and US in the policy domain)
June 3, 2025 at 8:30 AM
First panel at #AoIR2025Symposium, w/ Rasmus Kleis Nielsen, presenting new work w/ @deeliu97.bsky.social, Emilie de Keulenaar on the politics of "big tech". Prelim results for EU policy/political discourse: How is the term BIG TECH used, and by whom? (Focus on EU and US in the policy domain)
Reposted by Christian Katzenbach
🥳 We're kicking off the #AoIR2025Symposium tonight in Bremen!
Thank you to everyone joining us for the next two days to critically explore the evolving landscape of platform and AI governance.
We look forward to lively discussions!
👉 platform-governance.org/aoir-flashpo...
Thank you to everyone joining us for the next two days to critically explore the evolving landscape of platform and AI governance.
We look forward to lively discussions!
👉 platform-governance.org/aoir-flashpo...
June 2, 2025 at 6:49 PM
🥳 We're kicking off the #AoIR2025Symposium tonight in Bremen!
Thank you to everyone joining us for the next two days to critically explore the evolving landscape of platform and AI governance.
We look forward to lively discussions!
👉 platform-governance.org/aoir-flashpo...
Thank you to everyone joining us for the next two days to critically explore the evolving landscape of platform and AI governance.
We look forward to lively discussions!
👉 platform-governance.org/aoir-flashpo...
Reposted by Christian Katzenbach
On my way to the #AoIR2025Symposium while listening to Empire of AI by Karen Hao.
June 2, 2025 at 12:24 PM
On my way to the #AoIR2025Symposium while listening to Empire of AI by Karen Hao.
So great to see everything fallen into place now, and know colleagues from around the world are coming to Bremen today. 🙌 @pgmt.bsky.social is proud to have you! platform-governance.org/aoir-flashpo...
June 2, 2025 at 11:46 AM
So great to see everything fallen into place now, and know colleagues from around the world are coming to Bremen today. 🙌 @pgmt.bsky.social is proud to have you! platform-governance.org/aoir-flashpo...
Reposted by Christian Katzenbach
So excited so many amazing people will join us and present their work. Trust me, by now I know this program inside & out. 🙃
🎉Next week, we will kick off our #AoIR2025Symposium in Bremen with a fantastic program and lineup, and we have almost reached capacity!
This is your last chance to secure one of the remaining seats: members.aoir.org/event-6113333
See you next week!
👉 platform-governance.org/aoir-flashpo...
This is your last chance to secure one of the remaining seats: members.aoir.org/event-6113333
See you next week!
👉 platform-governance.org/aoir-flashpo...
May 31, 2025 at 6:58 AM
So excited so many amazing people will join us and present their work. Trust me, by now I know this program inside & out. 🙃
Reposted by Christian Katzenbach
Die Straßenverkehrsordnung wurde überarbeitet – was bedeutet das für Superblocks?
Darüber sprechen wir bei unserem nächsten Superblock-Treffen mit Expert *innen für Straßenverkehrsrecht Dr. Janna Ringena & Dr. Hubertus Baumeister.
Wann: 12. Juni, um 19 Uhr
Wo: online, Anmeldung: buff.ly/1P0IYAa
Darüber sprechen wir bei unserem nächsten Superblock-Treffen mit Expert *innen für Straßenverkehrsrecht Dr. Janna Ringena & Dr. Hubertus Baumeister.
Wann: 12. Juni, um 19 Uhr
Wo: online, Anmeldung: buff.ly/1P0IYAa
May 28, 2025 at 7:43 AM
Die Straßenverkehrsordnung wurde überarbeitet – was bedeutet das für Superblocks?
Darüber sprechen wir bei unserem nächsten Superblock-Treffen mit Expert *innen für Straßenverkehrsrecht Dr. Janna Ringena & Dr. Hubertus Baumeister.
Wann: 12. Juni, um 19 Uhr
Wo: online, Anmeldung: buff.ly/1P0IYAa
Darüber sprechen wir bei unserem nächsten Superblock-Treffen mit Expert *innen für Straßenverkehrsrecht Dr. Janna Ringena & Dr. Hubertus Baumeister.
Wann: 12. Juni, um 19 Uhr
Wo: online, Anmeldung: buff.ly/1P0IYAa
Reposted by Christian Katzenbach
Posters are here, stickers are in print, things are getting real :O
One week to go until #AoIRSymposium2025 in Bremen
@ckatzenbach.bsky.social @pgmt.bsky.social
💖🫏🐕🐈🐓
One week to go until #AoIRSymposium2025 in Bremen
@ckatzenbach.bsky.social @pgmt.bsky.social
💖🫏🐕🐈🐓
May 26, 2025 at 11:24 AM
Posters are here, stickers are in print, things are getting real :O
One week to go until #AoIRSymposium2025 in Bremen
@ckatzenbach.bsky.social @pgmt.bsky.social
💖🫏🐕🐈🐓
One week to go until #AoIRSymposium2025 in Bremen
@ckatzenbach.bsky.social @pgmt.bsky.social
💖🫏🐕🐈🐓
Reposted by Christian Katzenbach
The history of school street Rue Charles Baudelaire from 2020, 2021, 2022, to 2025. From car & concrete kid dangerous to a safe, lush greenscape & people friendly.
#paris #schoolstreets #15minutecity #urbanism #schoolsafety #france #school #bikes #pedestrians #children #greenspace #climatechange
#paris #schoolstreets #15minutecity #urbanism #schoolsafety #france #school #bikes #pedestrians #children #greenspace #climatechange
May 21, 2025 at 8:55 AM
The history of school street Rue Charles Baudelaire from 2020, 2021, 2022, to 2025. From car & concrete kid dangerous to a safe, lush greenscape & people friendly.
#paris #schoolstreets #15minutecity #urbanism #schoolsafety #france #school #bikes #pedestrians #children #greenspace #climatechange
#paris #schoolstreets #15minutecity #urbanism #schoolsafety #france #school #bikes #pedestrians #children #greenspace #climatechange
Great to have @nicsuzor.bsky.social in Bremen at @pgmt.bsky.social for #AoIR2025Bremen in two weeks!
🔎 Today, we proudly introduce @nicsuzor.bsky.social as the next speaker in our public Tuesday evening Panel, "Power and Politics in Tech Governance," at #AoIR2025Symposium in Bremen!
👉 Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
👉 Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
May 22, 2025 at 7:39 AM
Great to have @nicsuzor.bsky.social in Bremen at @pgmt.bsky.social for #AoIR2025Bremen in two weeks!
Reposted by Christian Katzenbach
🔎Next in line of our plenary speakers at #AoIR2025Symposium is @elinorcarmi.bsky.social! She will participate in our Concluding Plenary Panel, "Where Do We Go From Here?"
Welcome Elinor Carmi!
👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
Welcome Elinor Carmi!
👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
May 21, 2025 at 7:47 AM
🔎Next in line of our plenary speakers at #AoIR2025Symposium is @elinorcarmi.bsky.social! She will participate in our Concluding Plenary Panel, "Where Do We Go From Here?"
Welcome Elinor Carmi!
👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
Welcome Elinor Carmi!
👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
Reposted by Christian Katzenbach
🔎We are excited to announce that @arnikazinke.bsky.social will also be a part of our #AoIR2025Symposium Concluding Plenary Panel, "Where Do We Go From Here?,”on Wednesday.
Welcome Arnika Zinke!
👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
Welcome Arnika Zinke!
👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
May 22, 2025 at 7:28 AM
🔎We are excited to announce that @arnikazinke.bsky.social will also be a part of our #AoIR2025Symposium Concluding Plenary Panel, "Where Do We Go From Here?,”on Wednesday.
Welcome Arnika Zinke!
👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
Welcome Arnika Zinke!
👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...
Reposted by Christian Katzenbach
📢 @ckatzenbach.bsky.social will give a lecture on “Responsibility and irresponsibility of digital platforms” at “Wissen um 11”, the science matinee in Bremen.
📅 June 14, 2025 🕚 11 a.m. 📍Haus der Wissenschaft
👉 More Info: www.hausderwissenschaft.de/Verantwortun...
📅 June 14, 2025 🕚 11 a.m. 📍Haus der Wissenschaft
👉 More Info: www.hausderwissenschaft.de/Verantwortun...
May 19, 2025 at 2:03 PM
📢 @ckatzenbach.bsky.social will give a lecture on “Responsibility and irresponsibility of digital platforms” at “Wissen um 11”, the science matinee in Bremen.
📅 June 14, 2025 🕚 11 a.m. 📍Haus der Wissenschaft
👉 More Info: www.hausderwissenschaft.de/Verantwortun...
📅 June 14, 2025 🕚 11 a.m. 📍Haus der Wissenschaft
👉 More Info: www.hausderwissenschaft.de/Verantwortun...
I am getting excited! 3 weeks to go until our AoIR Symposium 2025 in Bremen will kick-off! The line-up of plenary speakers is wonderful, and the program so promising. If you are able to join in early June, don't miss to register for the few remaining seats. platform-governance.org/aoir-flashpo...
May 14, 2025 at 6:18 PM
I am getting excited! 3 weeks to go until our AoIR Symposium 2025 in Bremen will kick-off! The line-up of plenary speakers is wonderful, and the program so promising. If you are able to join in early June, don't miss to register for the few remaining seats. platform-governance.org/aoir-flashpo...
Looking forward to have @bsky.charispapaevangelou.eu and @eugeniasiapera.bsky.social today 3-4pm CEST speaking at our online talk series @pgmt.bsky.social!
⏰ REMINDER: Don't miss the next installment of our Online Talk Series "Behind the Scenes" with @bsky.charispapaevangelou.eu and @eugeniasiapera.bsky.social tomorrow!
👉 Sign up here and join us tomorrow at 3pm: platform-governance.org/online-talk-...
👉 Sign up here and join us tomorrow at 3pm: platform-governance.org/online-talk-...
May 13, 2025 at 8:26 AM
Looking forward to have @bsky.charispapaevangelou.eu and @eugeniasiapera.bsky.social today 3-4pm CEST speaking at our online talk series @pgmt.bsky.social!
Q: Do you know studies on content-level changes at Facebook and Instagram since the JAN 07 Zuckerberg announcement, eg. more hate speech or misinformation? Asking for a press briefing today @pjleerssen.bsky.social @claesdevreese.bsky.social @gorwa.ca @bsky.charispapaevangelou.eu
May 12, 2025 at 9:33 AM
Q: Do you know studies on content-level changes at Facebook and Instagram since the JAN 07 Zuckerberg announcement, eg. more hate speech or misinformation? Asking for a press briefing today @pjleerssen.bsky.social @claesdevreese.bsky.social @gorwa.ca @bsky.charispapaevangelou.eu
The (prelim) program of #AoIR2025Symposium is now live. 2 packed days "From Platform Governance to Generative AI", with Tarleton Gillespie, Natali Helberger, @tpoell.bsky.social, Sarah T. Roberts, @jillian.bsky.social and many more.
👉 More info/registration: platform-governance.org/aoir-flashpo...
👉 More info/registration: platform-governance.org/aoir-flashpo...
April 3, 2025 at 1:19 PM
The (prelim) program of #AoIR2025Symposium is now live. 2 packed days "From Platform Governance to Generative AI", with Tarleton Gillespie, Natali Helberger, @tpoell.bsky.social, Sarah T. Roberts, @jillian.bsky.social and many more.
👉 More info/registration: platform-governance.org/aoir-flashpo...
👉 More info/registration: platform-governance.org/aoir-flashpo...
Reposted by Christian Katzenbach
Exodus of critical voices.
75% of academics in the US are considering relocating according to @nature.com
yaledailynews.com/blog/2025/03...
75% of academics in the US are considering relocating according to @nature.com
yaledailynews.com/blog/2025/03...
Three prominent Yale professors depart for Canadian university, citing Trump fears
History department power couple Timothy Snyder and Marci Shore and philosophy professor Jason Stanley will begin teaching at the University of Toronto’s renowned Munk School in fall 2025.
yaledailynews.com
March 28, 2025 at 12:12 AM
Exodus of critical voices.
75% of academics in the US are considering relocating according to @nature.com
yaledailynews.com/blog/2025/03...
75% of academics in the US are considering relocating according to @nature.com
yaledailynews.com/blog/2025/03...
Reposted by Christian Katzenbach
Devastating number. 3 in 4 scientists consider leaving the US because of the Trump administration @nature.com
How to dismantle an entire sector!
Source www.nature.com/articles/d41...
How to dismantle an entire sector!
Source www.nature.com/articles/d41...
March 27, 2025 at 3:57 PM
Devastating number. 3 in 4 scientists consider leaving the US because of the Trump administration @nature.com
How to dismantle an entire sector!
Source www.nature.com/articles/d41...
How to dismantle an entire sector!
Source www.nature.com/articles/d41...
Reposted by Christian Katzenbach
If you do need to go or return to the US, the EFF has a digital privacy guide for this situation that may be useful. www.eff.org/wp/digital-p...
Digital Privacy at the U.S. Border: Protecting the Data On Your Devices
by Sophia Cope, Amul Kalia, Seth Schoen, and Adam SchwartzDownload the report as a PDF.EXECUTIVE SUMMARYThe U.S. government reported a five-fold increase in the number of electronic media searches at ...
www.eff.org
March 21, 2025 at 6:32 AM
If you do need to go or return to the US, the EFF has a digital privacy guide for this situation that may be useful. www.eff.org/wp/digital-p...
Reposted by Christian Katzenbach
PSA: When entering the US, Custom & Border Protection officers may "search a traveler’s mobile phone, computer, camera, or other electronic devices during the inspection process" in a way that "allows for the examination of the device and its contents"
Details in link ⬇️
www.cbp.gov/travel/cbp-s...
Details in link ⬇️
www.cbp.gov/travel/cbp-s...
Border Search of Electronic Devices at Ports of Entry
Securing America's Borders
www.cbp.gov
March 20, 2025 at 6:04 PM
PSA: When entering the US, Custom & Border Protection officers may "search a traveler’s mobile phone, computer, camera, or other electronic devices during the inspection process" in a way that "allows for the examination of the device and its contents"
Details in link ⬇️
www.cbp.gov/travel/cbp-s...
Details in link ⬇️
www.cbp.gov/travel/cbp-s...