Company pays $3,500 to Bogdan Kulynych who demonstrated flaw in image cropping software
![Student proves Twitter algorithm ‘bias’ toward lighter, slimmer, younger faces](https://i.guim.co.uk/img/media/9533c89d3a7062d8648676e043ae0f1fa82b5bba/0_43_1204_722/master/1204.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctZGVmYXVsdC5wbmc&enable=upscale&s=ea0f0c799f327f054b9740ca2621fbb2)
Twitter’s image cropping algorithm prefers younger, slimmer faces with lighter skin, an investigation into algorithmic bias at the company has found.
The finding, while embarrassing for the company, which had previously apologised to users after reports of bias, marks the successful conclusion of Twitter’s first ever “algorithmic bug bounty”.