Otávio Vinhas
ovinhas.bsky.social
Otávio Vinhas
@ovinhas.bsky.social
Postdoc Researcher @ INCT-DSI, Brazil

mis/disinfo • content governance • non-WEIRD
he/him; ele/dele
Reposted by Otávio Vinhas
Very excited to share that my book, The Discursive-Digital Link, is now available for pre-order on Routledge: tinyurl.com/the-ddl. The e-book is already available to order with a 30% discount!
You can also read the synopsis and the Introduction chapter on my website: essideh.com/ddl/

(thread)
August 12, 2025 at 7:43 AM
Reposted by Otávio Vinhas
Our contribution to the automation vs augmentation debate.

Strategising with generative AI: Productivity gains in social media marketing

www.tandfonline.com/doi/full/10....
Strategising with generative AI: Productivity gains in social media marketing
This study explores the use of ChatGPT for social media marketing and its potential impact on employment. We take stock of the literature on productivity gain and automation of work to unpack the r...
www.tandfonline.com
July 4, 2025 at 12:49 PM
Reposted by Otávio Vinhas
New paper with @toledobastos.bsky.social, @ovinhas.bsky.social and @raquelrecuero.bsky.social: "Reverse influence: the social production of disinformation in the 2022 Brazilian general election".

Available at www.tandfonline.com/doi/full/10....
June 17, 2025 at 5:51 PM
Reposted by Otávio Vinhas
I'm looking for a PhD student interested in analysing social media war propaganda through a historical archive from the WWI and WWII. This is a fully-funded opportunity for UK home students (partially-funded for 'overseas' students). Information on how to apply here: www.arts.ac.uk/study-at-ual...
UAL postgraduate research studentships
2 Postgraduate Research studentships awards available for eligible applicants.
www.arts.ac.uk
April 11, 2025 at 1:25 PM
Reposted by Otávio Vinhas
The grammar of influence operations and romance scams is quickly becoming the same. It’s not the Internet you dreamed of but it’s the Internet we have.

journals.sagepub.com/doi/10.1177/...
Visual Identities in Troll Farms: The Twitter Moderation Research Consortium - Marco Bastos, 2025
The Twitter Moderation Research Consortium is a database of network propaganda and influence operations that includes 115,474 unique Twitter accounts, millions ...
journals.sagepub.com
March 25, 2025 at 12:00 AM
Reposted by Otávio Vinhas
Finally out our experimental study on how ChatGPT can reinforce beliefs as incorrect information provided by the service goes unchecked and unverified by users.
journals.sagepub.com/doi/10.1177/...
Sage Journals: Discover world-class research
Subscription and open access journals from Sage, the world's leading independent academic publisher.
journals.sagepub.com
March 22, 2025 at 12:09 AM
Reposted by Otávio Vinhas
I am moderating this round table on social media moderation policies. Register below! We have a great lineup of speakers @muendges.bsky.social @ovinhas.bsky.social @sandervdwaal.bsky.social @waag.bsky.social
Sarah Eskens, MacKenzie fomer @reutersinstitute.bsky.social Meta Oversight Board.
March 17, 2025 at 8:42 AM
Reposted by Otávio Vinhas
ONLINE FIRST! How have Facebook’s News Feed algorithm changes (2011-2020) impacted user engagement with news content? This study by Naoise McNally and @toledobastos.bsky.social finds that changes to the algorithm reduced user engagement with news content.
www.tandfonline.com/doi/full/10....
The News Feed is Not a Black Box: A Longitudinal Study of Facebook’s Algorithmic Treatment of News
This study examines the effects of a series of significant algorithm changes within Facebook’s News Feed on user engagement with news content on the platform between 2011-2020. By tracking public a...
www.tandfonline.com
February 6, 2025 at 11:52 AM
Reposted by Otávio Vinhas
Facebook News Feed is not a black box. Changes to the algorithm can reduce user engagement with news content, particularly with hard news content.

The News Feed is Not a Black Box: A Longitudinal Study of Facebook’s Algorithmic Treatment of News.
www.tandfonline.com/doi/full/10....
The News Feed is Not a Black Box: A Longitudinal Study of Facebook’s Algorithmic Treatment of News
This study examines the effects of a series of significant algorithm changes within Facebook’s News Feed on user engagement with news content on the platform between 2011-2020. By tracking public a...
www.tandfonline.com
January 28, 2025 at 10:58 AM
Reposted by Otávio Vinhas
Some reflections with colleagues @nedwatt.bsky.social and @riedlinm.bsky.social at @theconvo-bot.bsky.social on Meta's decision to end its professionally funded fact-checking model in its platforms and adopt the X crowdsourcing model with a new 'community notes'👇 theconversation.com/meta-is-aban...
Meta is abandoning fact checking – this doesn’t bode well for the fight against misinformation
Numerous studies have shown that fact checking has helped reduce the spread of misinformation and disinformation online.
theconversation.com
January 8, 2025 at 5:58 AM
Reposted by Otávio Vinhas
12 days until the Brazil AOIR 2025 #CFP goes live! Stay tuned, it's getting real people! #ruptures
January 3, 2025 at 10:39 AM
Reposted by Otávio Vinhas
The establishment of the "Russian Fact-Checking Association" marks a significant escalation in the weaponisation of fact-checking. edmo.eu/publications... If you're interested in this topic, I recommend reading the recent article published in Media and Communication. More information in the thread👇
Putin’s new plan to undermine fact-checking – EDMO
edmo.eu
December 2, 2024 at 11:16 PM
Delighted to share this paper with my PhD advisor @toledobastos.bsky.social , now published open access in New Media & Society.

Link: journals.sagepub.com/doi/full/10....
December 5, 2023 at 8:19 PM