We should start with mandatory audits that adequately cover harms under current laws and regulations while we figure out the rest.

A new class at Hertie on the human use of AI systems

Platforms reduce complexity by constraining possibility, but its easier than ever to build one’s own systems. Those who can should forge their own path, paving the way for a more convivial web.

An ontological perspective

The US 2020 Facebook and Instagram Election Project (US2020) was a sprawling project with dozens of people involved at various levels.

Smalltalk and the impossibility of social toolmaking to empower end-users

The purpose of a system is what it does

Paper just accepted to Information Systems Research

Papers are what we do: we should try to do them well

Accelerating change has become both addictive and intolerable.

BlueSky doesn't solve any of Twitter's real problems, nor will any other microblog

No money for food? Go to McDonald’s, Karl Nehammer says.

Counterfactuals are the key to accurately assessing the risks of online platforms

A clean implementation of the Balancing Walk Design for online experimental design from Arbour, Dimmery, Mai and Rao (2022)