Twitter’s photo cropping algorithm favors people with slimmer, younger-looking faces, and lighter skin; a researcher was awarded $3,500 for the discovery (Stephen Shankland/CNET)

Stephen Shankland / CNET:
Twitter’s photo cropping algorithm favors people with slimmer, younger-looking faces, and lighter skin; a researcher was awarded $3,500 for the discovery  —  A researcher at Switzerland’s EPFL technical university won a $3,500 prize for determining that a key Twitter algorithm favors faces …