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They contacted Facebook, which at the time dominated the social media landscape, asking for help scouring uploaded family photos - to see if Lucy was in any of them. But Facebook, despite having facial recognition technology, said it "did not have the tools" to help.
。夫子对此有专业解读
（作者为本报政治文化部记者张烁）
And check the next blog post about a simplified deprecation API built on top of BPatterns: