Twitter says it's now using machine learning to identify the most salient part of an image and crop picture previews accordingly (James Vincent/The Verge)

James Vincent / The Verge:
Twitter says it's now using machine learning to identify the most salient part of an image and crop picture previews accordingly  —  The machine knows what you want to look at  —  The lure of machine learning isn't always about big new features; often, what it does best are small tweaks that subtly improve user experience.

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