Is There Racial Bias in Twitter's Image Previews?

Users are testing the site's photo zoom algorithm for prejudice


Over the weekend, Twitter users began to notice something potentially prejudiced about the way the social network’s algorithm crops photos for thumbnails: Post an image containing two headshots—one of a person of color and one of a white person—and the automatic feature seems more likely to zoom in on the latter in the image preview.

The informal round of product testing began with a now-viral post in which tech worker Tony Arcieri demonstrated how Twitter repeatedly zeroed in on Sen.

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