January 28, 2023

All the News That’s Fit to Change: Insights into a corpus of 2.5 million news headlines

[Thanks to Joel Reidenberg for encouraging this deeper dive into news headlines!] There is no guarantee that a news headline you see online today will not change tomorrow, or even in the next hour, or will even be the same headlines your neighbor sees right now. For a real-life example of the type of change […]

A Peek at A/B Testing in the Wild

[Dillon Reisman was previously an undergraduate at Princeton when he worked on a neat study of the surveillance implications of cookies. Now he’s working with the WebTAP project again in a research + engineering role. — Arvind Narayanan] In 2014, Facebook revealed that they had manipulated users’ news feeds for the sake of a psychology study […]

On the Ethics of A/B Testing

The discussion triggered by Facebook’s mood manipulation experiment has been enlightening and frustrating at the same time. An enlightening aspect is how it has exposed divergent views on a practice called A/B testing, in which a company provides two versions of its service to randomly-chosen groups of users, and then measures how the users react. […]