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Group Polarization

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Related Experiment Video

Updated: Aug 5, 2025

Measuring Neural and Behavioral Activity During Ongoing Computerized Social Interactions: An Examination of Event-Related Brain Potentials

Measuring Neural and Behavioral Activity During Ongoing Computerized Social Interactions: An Examination of Event-Related Brain Potentials

Published on: November 15, 2014

Deplatforming did not decrease Parler users' activity on fringe social media.

Manoel Horta Ribeiro¹, Homa Hosseinmardi², Robert West¹

¹School of Computer and Communication Sciences, EPFL, 1015 Lausanne, Philadelphia, Switzerland.

|March 24, 2023

Summary

This summary is machine-generated.

Deplatforming fringe social media platforms like Parler did not reduce overall user activity. Instead, other fringe platforms like Gab and Rumble saw increased engagement after Parler was removed.

Keywords:

content moderation deplatforming social media‌social networks

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Area of Science:

Social Media Studies
Digital Sociology
Platform Governance

Background:

Online platforms increasingly ban harmful content and users.
The effectiveness of deplatforming is questioned as users often migrate to alternative sites.
Parler, a fringe social media platform, was deplatformed following the US Capitol riot.

Purpose of the Study:

To investigate the impact of deplatforming Parler on user activity.
To determine if deplatforming reduces overall engagement on fringe social media.
To analyze user migration patterns to alternative fringe platforms.

Main Methods:

Longitudinal analysis of user activity across mainstream and fringe social media platforms (N = 112,705).
Difference-in-differences analysis to establish causal effects on active Parler users (N = 996).
Tracking user-level activity on desktop and mobile devices before and after deplatforming.

Main Results:

Fringe platforms such as Gab and Rumble experienced growth after Parler's deplatforming.
Overall activity on fringe social media increased while Parler was offline.
Deplatforming Parler increased daily activity on other fringe platforms by 10.9-15.9 percentage points.

Conclusions:

The isolated deplatforming of a major fringe social media platform was ineffective in reducing overall fringe social media engagement.
User activity shifted to alternative fringe platforms rather than decreasing.
Platform governance strategies need to consider user migration and the resilience of fringe online communities.